gpt-5.1-chat-latest API price comparison
GPT-5.1 Chat is an AI model provided by openai.
Cheapest overall
ZetaTechs
3.32 USD/M tokens combined per 1M tokens
Lowest input
ZetaTechs
0.37 USD/M tokens input per 1M tokens
Lowest output
ZetaTechs
2.95 USD/M tokens output per 1M tokens
Last refreshed
Jun 20, 2026
4 listed platforms
Best listed option
gpt-5.1-chat-latest is currently cheapest overall on ZetaTechs, with input at 0.37 USD/M tokens and output at 2.95 USD/M tokens per million tokens.
Pricing insight
Across 4 listed routes, gpt-5.1-chat-latest is cheapest overall on ZetaTechs at 3.32 USD/M tokens. The median combined price is 9.00 USD/M tokens, so the cheapest route is about 63% below the median listed route.
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Lowest total cost
ZetaTechs
Best first check for balanced coding-agent sessions: 3.32 USD/M tokens.
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Prompt-heavy work
ZetaTechs
Useful for large repositories and long context reads: 0.37 USD/M tokens input.
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Response-heavy work
ZetaTechs
Useful for long answers, edits, and agent loops: 2.95 USD/M tokens output.
Median combined price
9.00 USD/M tokens
Baseline for judging whether the cheapest route is unusually low.
Cache price coverage
100%
4 of 4 routes publish cache read or write prices.
Fresh rows
0/4
Routes crawled in the last 72 hours.
Use case fit
gpt-5.1-chat-latest 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 |
|---|---|---|---|---|
| ZetaTechs | 0.30x | 0.37 USD/M tokens | 2.95 USD/M tokens | 3.32 USD/M tokens |
| Yunwu | 0.60x | 0.75 USD/M tokens | 6.00 USD/M tokens | 6.75 USD/M tokens |
| Qianduoduo | 1.00x | 1.25 USD/M tokens | 10.00 USD/M tokens | 11.25 USD/M tokens |
| ClaudeCN | 7.00x | 8.75 USD/M tokens | 70.00 USD/M tokens | 78.75 USD/M tokens |
FAQ
Where is gpt-5.1-chat-latest cheapest?
ZetaTechs has the lowest listed combined price at 3.32 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 Jun 20, 2026. Always confirm before large purchases.