InferIndex · https://inferindex.dev/en/compare/openai/gpt-5.1-codex/vs/qwen/qwen3-coder-plus
GPT-5.1-Codex costs from $3.44 per million tokens and Qwen3 Coder Plus from $2.00 (at a 3:1 input:output mix): the cheapest price for each; prices checked on .
Verdict
At these prices, GPT-5.1-Codex costs 1.7× as much as Qwen3 Coder Plus 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 |
|---|---|---|---|---|---|---|---|---|---|
| $2.00, most favourable value of the column | $1.00, most favourable value of the column | $5.00, most favourable value of the column | – | $135.00, most favourable value of the columnat Alibaba via Requesty | 2 | 2 | 1M | Cheapest. Lowest blended price, $ per 1M tokens | |
| $3.44 | $1.25 | $10.00 | $3.44 | $225.00at Azure via OpenRouter | 12 | 9, most favourable value of the column | 400k |
Green background: the most favourable value of each column.
Prices as of Oct 30, 2026, 11:15 PM UTCSame rules as the API's /cheapest route. The monthly estimate uses the cheapest offer for that workload.