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ModelsAnthropicClaude Sonnet 5.5

Claude Sonnet 5.5

anthropic/claude-sonnet-5.51M context Compare →
MedianThe median blended price among comparable offers: one price per provider (its cheapest route), standard tier, current prices only. Priority tiers and prices converted from points are not counted.
$4.00
Most expensiveThe highest blended price among comparable offers: one price per provider (its cheapest route), standard tier, current prices only. Priority tiers and prices converted from points are not counted.
$6.00
Offers
60
Providers
24

Cheapest right now

Anthropic

The provider's published policy: prompts are not used for training.

1M

$4.00 blended / 1M tokens

No change7D
in
$2.00
out
$10.00
Cached input
$0.10
See pricing See pricing at Anthropic (opens in a new tab)via Anthropic

Public leaderboards

  • Text Arena, style controlThe series the source publishes by default for text since 16 May 2025: ranks corrected for the style of the answers (style control).xHigh setting #19 of 419Best rank in the source's rank spread, 19th to 52nd, given the confidence intervals of all ranked models. 31st by score. 1,477 1,470 to 1,484Arena Score · 10,033 votes listed as “Claude Sonnet 5.5 (xHigh)”
  • Code Arena (WebDev)The Code Arena ranking (WebDev). The source publishes no style-corrected series (as read on 9 October 2026).xHigh setting #2 of 152Best rank in the source's rank spread, 2nd to 5th, given the confidence intervals of all ranked models. 3rd by score. 1,770 1,758 to 1,781Arena Score · 4,469 votes listed as “Claude Sonnet 5.5 (xHigh)”
  • Code Arena (WebDev)The Code Arena ranking (WebDev). The source publishes no style-corrected series (as read on 9 October 2026).High setting #7 of 152Best rank in the source's rank spread, 7th to 9th, given the confidence intervals of all ranked models. 8th by score. 1,711 1,701 to 1,720Arena Score · 6,371 votes listed as “Claude Sonnet 5.5 (High)”
  • Agent Arena aggregateThe Agent Arena aggregate score: a score of another kind (not an Arena score), on a scale of its own; it cannot be compared with the other series.Max setting #2 of 57Best rank in the source's rank spread, 2nd to 8th, given the confidence intervals of all ranked models. 3rd by score. 0.138 0.112 to 0.165IPS score · 1,100,317 observations listed as “Claude Sonnet 5.5 (Max)”

Source: Arena (opens in a new tab) · Data under the CC BY 4.0 license (creativecommons.org/licenses/by/4.0) · CC BY 4.0 (opens in a new tab) · scores and ranks as published on 28 Oct 2026; the presentation is ours

Claude Sonnet 5.5 costs from $4.00 per million tokens (at a 3:1 input:output mix): the lowest current price, at 11 providers, checked on ; 60 offers are listed.

Listed offers, by price

Comparable offersOther offersSolid steps are comparable offers; dashed steps are the other offers, which are not counted in cheapest, median or most expensive.Official list price

Offers not counted in cheapest, median or most expensive (36)

  • $4.00 · Anthropic via Eden AI · cannot be designated the cheapest
  • $4.00 · Anthropic via Kilo Gateway · cannot be designated the cheapest
  • $4.00 · Anthropic via LLM API · cannot be designated the cheapest
  • $4.00 · Amazon Bedrock via Eden AI · cannot be designated the cheapest
  • $4.00 · Amazon Bedrock via Kilo Gateway · cannot be designated the cheapest
  • $4.00 · Amazon Bedrock via LLM API · cannot be designated the cheapest
  • $4.00 · Azure via Kilo Gateway · cannot be designated the cheapest
  • $4.00 · Claude Platform on AWS via Kilo Gateway · cannot be designated the cheapest
  • $4.00 · Computebase via LLM API · cannot be designated the cheapest
  • $4.00 · DeepInfra via Eden AI · cannot be designated the cheapest
  • $4.00 · Google AI Studio via Kilo Gateway · cannot be designated the cheapest
  • $4.00 · Google Vertex via Eden AI · cannot be designated the cheapest
  • $4.00 · Abacus RouteLLM via Abacus RouteLLM · cannot be designated the cheapest
  • $4.00 · FastRouter via FastRouter · cannot be designated the cheapest
  • $4.00 · Glama via Glama · cannot be designated the cheapest
  • $4.00 · Martian via Martian · cannot be designated the cheapest
  • $4.00 · Nous Portal via Nous Portal · cannot be designated the cheapest
  • $4.00 · OrcaRouter via OrcaRouter · cannot be designated the cheapest
  • $4.00 · Anthropic via LLM Gateway · another route of the same provider
  • $4.00 · Anthropic via Requesty · another route of the same provider
  • $4.00 · Amazon Bedrock via Requesty · another route of the same provider
  • $4.00 · Anthropic via OpenRouter · another route of the same provider
  • $4.00 · Amazon Bedrock via OpenRouter · another route of the same provider
  • $4.04 · Poe via Poe · price converted from points
  • $4.21 · ShengSuanYun via ShengSuanYun · cannot be designated the cheapest
  • $4.40 · Amazon Bedrock via Eden AI · cannot be designated the cheapest
  • $4.40 · Amazon Bedrock via Eden AI · cannot be designated the cheapest
  • $4.40 · Amazon Bedrock via Kilo Gateway · cannot be designated the cheapest
  • $4.40 · Amazon Bedrock via Kilo Gateway · cannot be designated the cheapest
  • $4.40 · Azure via Kilo Gateway · cannot be designated the cheapest
  • $4.40 · Google AI Studio via Kilo Gateway · cannot be designated the cheapest
  • $4.40 · Google AI Studio via Kilo Gateway · cannot be designated the cheapest
  • $4.40 · Google Vertex via Eden AI · cannot be designated the cheapest
  • $4.40 · Google Vertex via Eden AI · cannot be designated the cheapest
  • $4.40 · Amazon Bedrock via OpenRouter · another route of the same provider
  • $4.51 · Cortecs via Cortecs · cannot be designated the cheapest

Price historyThe cheapest offer each day, against the lab's official list price when it publishes one. Each day at 00:00 UTC, the offer the API would have selected as the cheapest, with the same exclusions as /cheapest. Blended price, promotions included.

Cheapest offer and official list price, by day, 30 days
DayCheapest offerOfficial list price
2026-10-02$4.00, Abacus RouteLLM$4.00
2026-10-03$4.00, Abacus RouteLLM$4.00
2026-10-04$4.00, Abacus RouteLLM$4.00
2026-10-05$4.00, Abacus RouteLLM$4.00
2026-10-06$4.00, Anthropic$4.00
2026-10-07$4.00, Anthropic$4.00
2026-10-08$4.00, Anthropic$4.00
2026-10-09$4.00, Anthropic$4.00
2026-10-10$4.00, Anthropic$4.00
2026-10-11$4.00, Anthropic$4.00
2026-10-12$4.00, Anthropic$4.00
2026-10-13$4.00, Anthropic$4.00
2026-10-14$4.00, Anthropic$4.00
2026-10-15$4.00, Anthropic$4.00
2026-10-16$4.00, Anthropic$4.00
2026-10-17$4.00, Anthropic$4.00
2026-10-18$4.00, Anthropic$4.00
2026-10-19$4.00, Anthropic$4.00
2026-10-20$4.00, Anthropic$4.00
2026-10-21$4.00, Anthropic$4.00
2026-10-22$4.00, Anthropic$4.00
2026-10-23$4.00, Anthropic$4.00
2026-10-24$4.00, Anthropic$4.00
2026-10-25$4.00, Anthropic$4.00
2026-10-26$4.00, Anthropic$4.00
2026-10-27$4.00, Anthropic$4.00
2026-10-28$4.00, Anthropic$4.00
2026-10-29$4.00, Anthropic$4.00
2026-10-30$4.00, Anthropic$4.00
2026-10-31$4.00, Anthropic$4.00

Cheapest offerOfficial list price

Offers

The 25 cheapest of 60 offers

Offers for Claude Sonnet 5.5, one row per offer, sorted by blended price.
RankProvider · viaYou buy access through an aggregator: one account and one API that forward your requests to other providers. "Via" names the aggregator; the price is the one it charges you. When "via" says "hosted API", no aggregator is involved: the model belongs to a lab and another provider sells it.Input $/1MOutput $/1MBlended $/1MA single price that mixes input and output: 3 input tokens for 1 output token, per million tokens. It makes offers easy to rank; your real cost depends on your own mix. ContextThe maximum amount of text, counted in tokens, the model can take in and write in a single request. Past this limit, the request is refused or cut.ConditionsWhat a provider says about how it handles your data and who can sign up: training on prompts, processing region, sign-up requirements. Each comes from the provider's published documents; when nothing is published, it stays unknown.SignalsOffer
1 Anthropic 2.00 10.00 4.00 1M
See pricing at Anthropic (opens in a new tab)
2 DeepInfrahosted APISold by a provider other than the lab that made the model. 2.00 10.00 4.00 1M United States
Go to offer at DeepInfra (opens in a new tab)
3 Venicehosted APISold by a provider other than the lab that made the model. 2.00 10.00 4.00 1M Price drop observed: The blended price is 47% lower than before this drop; possibly temporary. · Price drop observed since Oct 2, 2026
Go to offer at Venice (opens in a new tab)
4 Anthropicvia Eden AI 2.00 10.00 4.00 1M Unverified. No public page for this offer: listed, not designated cheapest
: Eden AI (opens in a new tab). No public price page for this model
5 Anthropicvia Kilo Gateway 2.00 10.00 4.00 1M Unverified. No public page for this offer: listed, not designated cheapest
: Kilo Gateway (opens in a new tab). No public price page for this model
6 Anthropicvia LLM API 2.00 10.00 4.00 – Unconfirmed. Last checked 18 October 2026: the last published value, not a confirmed one Unverified. The source page shows one price per model, not this seller's: listed, not designated cheapest
See pricing at LLM API (opens in a new tab)
7 Amazon Bedrockvia Eden AI 2.00 10.00 4.00 1M Unverified. No public page for this offer: listed, not designated cheapest
: Eden AI (opens in a new tab). No public price page for this model
8 Amazon Bedrockvia Kilo Gateway 2.00 10.00 4.00 1M Unverified. No public page for this offer: listed, not designated cheapest
: Kilo Gateway (opens in a new tab). No public price page for this model
9 Amazon Bedrockvia LLM API 2.00 10.00 4.00 – Unconfirmed. Last checked 18 October 2026: the last published value, not a confirmed one Unverified. The source page shows one price per model, not this seller's: listed, not designated cheapest
See pricing at LLM API (opens in a new tab)
10 Azurevia Kilo Gateway 2.00 10.00 4.00 1M Unverified. No public page for this offer: listed, not designated cheapest
: Kilo Gateway (opens in a new tab). No public price page for this model
11 Claude Platform on AWSvia Kilo Gateway 2.00 10.00 4.00 1M Unverified. No public page for this offer: listed, not designated cheapest
: Kilo Gateway (opens in a new tab). No public price page for this model
12 Computebasevia LLM API 2.00 10.00 4.00 – Unconfirmed. Last checked 18 October 2026: the last published value, not a confirmed one Unverified. The source page shows one price per model, not this seller's: listed, not designated cheapest
See pricing at LLM API (opens in a new tab)
13 DeepInfravia Eden AI 2.00 10.00 4.00 1M United States Unverified. No public page for this offer: listed, not designated cheapest
: Eden AI (opens in a new tab). No public price page for this model
14 Google AI Studiovia Kilo Gateway 2.00 10.00 4.00 1M Unverified. No public page for this offer: listed, not designated cheapest
: Kilo Gateway (opens in a new tab). No public price page for this model
15 Google Vertexvia Eden AI 2.00 10.00 4.00 1M Unverified. No public page for this offer: listed, not designated cheapest
: Eden AI (opens in a new tab). No public price page for this model
16 NEAR AIhosted APISold by a provider other than the lab that made the model. 2.00 10.00 4.00 1M
See pricing at NEAR AI (opens in a new tab)
17 Abacus RouteLLM 2.00 10.00 4.00 1M United States Unverified. No public page for this offer: listed, not designated cheapest
: Abacus RouteLLM (opens in a new tab). No public price page for this model
18 FastRouter 2.00 10.00 4.00 1M Unverified. Neither seller nor price found on its page for 72 hours: listed, not designated cheapest
Go to offer at FastRouter (opens in a new tab)
19 Glama 2.00 10.00 4.00 1M Unverified. No public page for this offer: listed, not designated cheapest
: Glama (opens in a new tab). No public price page for this model
20 Martian 2.00 10.00 4.00 – worldwide Unverified. Neither seller nor price found on its page for 72 hours: listed, not designated cheapest
See pricing at Martian (opens in a new tab)
21 NanoGPT 2.00 10.00 4.00 1M Thinking: Thinking: a mode of the model, not its standard offer. Never designated cheapest while a standard offer exists
Go to offer at NanoGPT (opens in a new tab)
22 Nous Portal 2.00 10.00 4.00 1M Unverified. Neither seller nor price found on its page for 72 hours: listed, not designated cheapest
See pricing at Nous Portal (opens in a new tab)
23 OrcaRouter 2.00 10.00 4.00 1M Unverified. Neither seller nor price found on its page for 72 hours: listed, not designated cheapest
Go to offer at OrcaRouter (opens in a new tab)
24 Vercel AI Gateway 2.00 10.00 4.00 –
Go to offer at Vercel AI Gateway (opens in a new tab)
25 ZenMux 2.00 10.00 4.00 1M
Go to offer at ZenMux (opens in a new tab)

No training on promptsPrompts may be used for trainingTraining terms not published

backend not named. The router bills this price itself without naming who serves the model.

  • Anthropic

    $4.00

    Anthropic

    in
    $2.00
    out
    $10.00
    Context
    1M

    No training on prompts

    See pricing See pricing at Anthropic (opens in a new tab)via Anthropic

  • DeepInfra

    $4.00

    hosted APISold by a provider other than the lab that made the model.

    in
    $2.00
    out
    $10.00
    Context
    1M

    No training on promptsUnited States

    Go to offer Go to offer at DeepInfra (opens in a new tab)at DeepInfra

  • Venice

    $4.00

    hosted APISold by a provider other than the lab that made the model.

    in
    $2.00
    out
    $10.00
    Context
    1M

    No training on promptsPrice drop observed: The blended price is 47% lower than before this drop; possibly temporary. · Price drop observed since Oct 2, 2026

    Go to offer Go to offer at Venice (opens in a new tab)at Venice

  • Anthropic

    $4.00

    Eden AI

    in
    $2.00
    out
    $10.00
    Context
    1M

    Prompts may be used for trainingUnverified. No public page for this offer: listed, not designated cheapest

    Seller's site: Eden AI (opens in a new tab)No public price page for this model

  • Anthropic

    $4.00

    Kilo Gateway

    in
    $2.00
    out
    $10.00
    Context
    1M

    Training terms not publishedUnverified. No public page for this offer: listed, not designated cheapest

    Seller's site: Kilo Gateway (opens in a new tab)No public price page for this model

  • Anthropic

    $4.00

    LLM API

    in
    $2.00
    out
    $10.00
    Context
    –

    No training on promptsUnconfirmed. Last checked 18 October 2026: the last published value, not a confirmed oneUnverified. The source page shows one price per model, not this seller's: listed, not designated cheapest

    See pricing See pricing at LLM API (opens in a new tab)via LLM API

  • Amazon Bedrock

    $4.00

    Eden AI

    in
    $2.00
    out
    $10.00
    Context
    1M

    Prompts may be used for trainingUnverified. No public page for this offer: listed, not designated cheapest

    Seller's site: Eden AI (opens in a new tab)No public price page for this model

  • Amazon Bedrock

    $4.00

    Kilo Gateway

    in
    $2.00
    out
    $10.00
    Context
    1M

    Training terms not publishedUnverified. No public page for this offer: listed, not designated cheapest

    Seller's site: Kilo Gateway (opens in a new tab)No public price page for this model

  • Amazon Bedrock

    $4.00

    LLM API

    in
    $2.00
    out
    $10.00
    Context
    –

    No training on promptsUnconfirmed. Last checked 18 October 2026: the last published value, not a confirmed oneUnverified. The source page shows one price per model, not this seller's: listed, not designated cheapest

    See pricing See pricing at LLM API (opens in a new tab)via LLM API

  • Azure

    $4.00

    Kilo Gateway

    in
    $2.00
    out
    $10.00
    Context
    1M

    Training terms not publishedUnverified. No public page for this offer: listed, not designated cheapest

    Seller's site: Kilo Gateway (opens in a new tab)No public price page for this model

  • Claude Platform on AWS

    $4.00

    Kilo Gateway

    in
    $2.00
    out
    $10.00
    Context
    1M

    Training terms not publishedUnverified. No public page for this offer: listed, not designated cheapest

    Seller's site: Kilo Gateway (opens in a new tab)No public price page for this model

  • Computebase

    $4.00

    LLM API

    in
    $2.00
    out
    $10.00
    Context
    –

    Training terms not publishedUnconfirmed. Last checked 18 October 2026: the last published value, not a confirmed oneUnverified. The source page shows one price per model, not this seller's: listed, not designated cheapest

    See pricing See pricing at LLM API (opens in a new tab)via LLM API

  • DeepInfra

    $4.00

    Eden AI

    in
    $2.00
    out
    $10.00
    Context
    1M

    Prompts may be used for trainingUnited StatesUnverified. No public page for this offer: listed, not designated cheapest

    Seller's site: Eden AI (opens in a new tab)No public price page for this model

  • Google AI Studio

    $4.00

    Kilo Gateway

    in
    $2.00
    out
    $10.00
    Context
    1M

    Training terms not publishedUnverified. No public page for this offer: listed, not designated cheapest

    Seller's site: Kilo Gateway (opens in a new tab)No public price page for this model

  • Google Vertex

    $4.00

    Eden AI

    in
    $2.00
    out
    $10.00
    Context
    1M

    Prompts may be used for trainingUnverified. No public page for this offer: listed, not designated cheapest

    Seller's site: Eden AI (opens in a new tab)No public price page for this model

  • NEAR AI

    $4.00

    hosted APISold by a provider other than the lab that made the model.

    in
    $2.00
    out
    $10.00
    Context
    1M

    No training on prompts

    See pricing See pricing at NEAR AI (opens in a new tab)at NEAR AI

  • Abacus RouteLLM

    $4.00

    Abacus RouteLLM

    in
    $2.00
    out
    $10.00
    Context
    1M

    No training on promptsUnited StatesUnverified. No public page for this offer: listed, not designated cheapest

    Seller's site: Abacus RouteLLM (opens in a new tab)No public price page for this model

  • FastRouter

    $4.00

    FastRouter

    in
    $2.00
    out
    $10.00
    Context
    1M

    Training terms not publishedUnverified. Neither seller nor price found on its page for 72 hours: listed, not designated cheapestbackend not named: The router bills this price itself without naming who serves the model.

    Go to offer Go to offer at FastRouter (opens in a new tab)via FastRouter

  • Glama

    $4.00

    Glama

    in
    $2.00
    out
    $10.00
    Context
    1M

    No training on promptsUnverified. No public page for this offer: listed, not designated cheapestbackend not named: The router bills this price itself without naming who serves the model.

    Seller's site: Glama (opens in a new tab)No public price page for this model

  • Martian

    $4.00

    Martian

    in
    $2.00
    out
    $10.00
    Context
    –

    Training terms not publishedworldwideUnverified. Neither seller nor price found on its page for 72 hours: listed, not designated cheapestbackend not named: The router bills this price itself without naming who serves the model.

    See pricing See pricing at Martian (opens in a new tab)via Martian

  • NanoGPT

    $4.00

    NanoGPT

    in
    $2.00
    out
    $10.00
    Context
    1M

    No training on promptsThinking: Thinking: a mode of the model, not its standard offer. Never designated cheapest while a standard offer exists

    Go to offer Go to offer at NanoGPT (opens in a new tab)via NanoGPT

  • Nous Portal

    $4.00

    Nous Portal

    in
    $2.00
    out
    $10.00
    Context
    1M

    Prompts may be used for trainingUnverified. Neither seller nor price found on its page for 72 hours: listed, not designated cheapestbackend not named: The router bills this price itself without naming who serves the model.

    See pricing See pricing at Nous Portal (opens in a new tab)via Nous Portal

  • OrcaRouter

    $4.00

    OrcaRouter

    in
    $2.00
    out
    $10.00
    Context
    1M

    Training terms not publishedUnverified. Neither seller nor price found on its page for 72 hours: listed, not designated cheapestbackend not named: The router bills this price itself without naming who serves the model.

    Go to offer Go to offer at OrcaRouter (opens in a new tab)via OrcaRouter

  • Vercel AI Gateway

    $4.00

    Vercel AI Gateway

    in
    $2.00
    out
    $10.00
    Context
    –

    No training on prompts

    Go to offer Go to offer at Vercel AI Gateway (opens in a new tab)via Vercel AI Gateway

  • ZenMux

    $4.00

    ZenMux

    in
    $2.00
    out
    $10.00
    Context
    1M

    Prompts may be used for training

    Go to offer Go to offer at ZenMux (opens in a new tab)via ZenMux
Show all 60 offers

2 flex or batch offers hidden (lower priority, variable latency).

Blended = (3 × input + output) / 4, per million tokens. Prices in USD, converted at the ECB rate when the provider bills in another currency.

Method

Monthly cost for your workload

Computed by the API for the three cheapest offers, per 30-day month.
  1. Anthropic$270.00per month
  2. DeepInfra$270.00per month+$0.00 vs the cheapest
  3. Venice$270.00per month+$0.00 vs the cheapest

Compare Claude Sonnet 5.5 with

Related models

More from Anthropic

All Anthropic models

Same index family

Use this data

The index is queryable. The API is free to use.
Free API
curl https://api.inferindex.dev/cheapest?model=anthropic/claude-sonnet-5.5
MCP server
claude mcp add --transport http inferindex https://mcp.inferindex.dev/mcp

Also works in Cursor and Codex: see the MCP page.