Model pricing
OpenAI: GPT-5.1 API Pricing
Compare 14 providers offering OpenAI: GPT-5.1. Official rate is $0.625, the cheapest quote is $0.500.
- Providers
- 14
- Official
- $0.625
- Cheapest
- $0.500
- Context
- 400K
Provider pricing
Cheapest and most expensive quotes differ by 2.5×.
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Period
based on 30 days
| Provider | Input | Output | Cached input | Context | vs official | Your cost | |
|---|---|---|---|---|---|---|---|
36K | $0.500 | $4.00 | — | — | 0.80× | $39cheapest | Use |
OpenAIModel owner | $0.625 | $5.00 | $0.063 | 400K | 1.00× | $49+$9.75 | |
265K | $1.00 | $8.00 | — | — | 1.60× | $78+$39 | Use |
17.3M | $1.25 | $10.00 | $0.125 | 400K | 2.00× | $98+$59 | Use |
AzureInference platform | $1.25 | $10.00 | $0.130 | 400K | 2.00× | $98+$59 | |
218K | $1.25 | $10.00 | — | 400K | 2.00× | $98+$59 | Use |
aigcbest.topReseller | $1.25 | $10.00 | — | — | 2.00× | $98+$59 | Use |
api.apiyi.comReseller | $1.25 | $10.00 | — | — | 2.00× | $98+$59 | Use |
api.burncloud.comReseller | $1.25 | $10.00 | — | — | 2.00× | $98+$59 | Use |
api.gpt.geReseller | $1.25 | $10.00 | — | — | 2.00× | $98+$59 | Use |
api.laozhang.aiReseller | $1.25 | $10.00 | — | — | 2.00× | $98+$59 | Use |
gpt.geReseller | $1.25 | $10.00 | — | — | 2.00× | $98+$59 | Use |
yunwu.aiReseller | $1.25 | $10.00 | — | — | 2.00× | $98+$59 | Use |
| $1.25 | $10.00 | — | — | 2.00× | $98+$59 | Use |
Prices captured Jul 26, 2026
Prices change frequently and promotional rates expire — always confirm on the provider's own pricing page before committing. Rates far below official pricing often indicate shared or resold accounts.