GPT-5.1 API price comparison
GPT-5.1 standardVersion
Cheapest overall
AICoding
2.14 USD/M tokens combined per 1M tokens
Lowest input
AICoding
0.24 USD/M tokens input per 1M tokens
Lowest output
AICoding
1.90 USD/M tokens output per 1M tokens
Last refreshed
Sep 6, 2026
7 listed platforms
Best listed option
GPT-5.1 is currently cheapest overall on AICoding, with input at 0.24 USD/M tokens and output at 1.90 USD/M tokens per million tokens.
Pricing insight
Across 7 listed routes, GPT-5.1 is cheapest overall on AICoding at 2.14 USD/M tokens. The median combined price is 11.25 USD/M tokens, so the cheapest route is about 81% below the median listed route.
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Lowest total cost
AICoding
Best first check for balanced coding-agent sessions: 2.14 USD/M tokens.
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Prompt-heavy work
AICoding
Useful for large repositories and long context reads: 0.24 USD/M tokens input.
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Response-heavy work
AICoding
Useful for long answers, edits, and agent loops: 1.90 USD/M tokens output.
Median combined price
11.25 USD/M tokens
Baseline for judging whether the cheapest route is unusually low.
Cache price coverage
71%
5 of 7 routes publish cache read or write prices.
Fresh rows
5/7
Routes crawled in the last 72 hours.
Use case fit
GPT-5.1 is suited to general API tasks, coding assistants, and agent workflows across the OpenAI model family. Output price matters most for long-form answers and tool-heavy sessions.
Platform price comparison
| Platform | Ratio | Input | Output | Total |
|---|---|---|---|---|
| AICoding | 0.19x | 0.24 USD/M tokens | 1.90 USD/M tokens | 2.14 USD/M tokens |
| Yunwu | 0.60x | 0.75 USD/M tokens | 6.00 USD/M tokens | 6.75 USD/M tokens |
| AIHubMix | 1.00x | 1.25 USD/M tokens | 10.00 USD/M tokens | 11.25 USD/M tokens |
| Crazyrouter | 1.00x | 1.25 USD/M tokens | 10.00 USD/M tokens | 11.25 USD/M tokens |
| DMXAPI | 1.00x | 1.25 USD/M tokens | 10.00 USD/M tokens | 11.25 USD/M tokens |
| Qianduoduo | 1.00x | 1.25 USD/M tokens | 10.00 USD/M tokens | 11.25 USD/M tokens |
| ClaudeCN | 6.97x | 8.75 USD/M tokens | 70.00 USD/M tokens | 78.75 USD/M tokens |
FAQ
Where is GPT-5.1 cheapest?
AICoding has the lowest listed combined price at 2.14 USD/M tokens per 1M tokens.
What do input and output prices mean?
Input is charged for prompt tokens you send. Output is charged for tokens generated by the model.
How often are prices refreshed?
Prices are crawler-backed and this page was last refreshed Sep 6, 2026. Always confirm before large purchases.