InferIndex · https://inferindex.dev/en/compare/openai/gpt-5.4/vs/xiaomi/mimo-v2.6-pro-ultraspeed
GPT-5.4 costs from $5.63 per million tokens and MiMo-V2.6-Pro-UltraSpeed from $5.44 (at a 3:1 input:output mix): the cheapest price for each; prices checked on .
Verdict
At these prices, the two models cost about the same per million tokens (at a 3:1 input:output mix).
Each model's lowest blended price, per 1M tokens, across every provider we track.
| Model | Lowest blended price, $ per 1M tokens. Green background: the most favourable value of each column. | Input price of the cheapest offer, per 1M tokens | Output price of the cheapest offer, per 1M tokens | The provider's published policy says the text you send is not used to train models. We only show what is published; we can't check it ourselves. | For 2,000 input tokens and 500 output tokens per request, 1,000 requests a day, at the cheapest offer for that workload. Change the workload above. | Offers | Providers | The 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. | Observation |
|---|---|---|---|---|---|---|---|---|---|
| Most expensive offer · $5.44. The 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. Green background: the most favourable value of each column., most favourable value of the column | $4.35 | $8.70, most favourable value of the column | $5.44, most favourable value of the column | $391.50at NanoGPT | 12 | 10 | 1M | Cheapest. Lowest blended price, $ per 1M tokens | |
| Most expensive offer · $6.19. The 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. | $2.50, most favourable value of the column | $15.00 | $5.63 | $375.00, most favourable value of the columnat OpenAI | 44 | 19, most favourable value of the column | 1.1M |
Green background: the most favourable value of each column.
Prices as of Oct 30, 2026, 10:45 PM UTCSame rules as the API's /cheapest route. The monthly estimate uses the cheapest offer for that workload.