GRANDET · PRICE ARCHIVE
gpt-5.1 API price comparison: cheapest API relays, multipliers, groups and official prices
Compare the official price of gpt-5.1, inference-provider cash prices and the lowest API relay credit prices, with multipliers, groups, units and observation dates.
These are prices collected in the past, kept as recorded (some repeat or have no readable price). They may no longer be available at these prices.
2,344 price records from 206 sites.
Filters and sorting
| Provider / terms | Name on site | Input / per request | Output | Unit / collected | Source |
|---|---|---|---|---|---|
| api.apilio.aiNo group statedCollected price · Other or unknown | gpt-5.1-highReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O5 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.apilio.aiNo group statedCollected price · Other or unknown | gpt-5.1-lowReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O5 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.apilio.aiNo group statedCollected price · Other or unknown | gpt-5.1Reflects that time only | —No value | —No value | Billing fields not yet understoodBatch O5 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.apilio.aiNo group statedCollected price · Other or unknown | gpt-5.1-thinkingReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O5 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.apiyi.comNo group statedCollected price · Other or unknown | gpt-5.1Reflects that time only | —No value | —No value | Billing fields not yet understoodBatch O9 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.apiyi.comNo group statedCollected price · Other or unknown | gpt-5.1Reflects that time only | —No value | —No value | Billing fields not yet understoodBatch O5 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.banyane.topdefaultCollected price · Per token | gpt-5.1No longer listed in the latest collection | 37,500,000 | 225,000,000 | Site quota points / million tokensBatch R2026-09-12 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.banyane.topOpenAI-ProCollected price · Per token | gpt-5.1No longer listed in the latest collection | 15,000,000 | 90,000,000 | Site quota points / million tokensBatch R2026-09-12 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.banyane.topOpenAICollected price · Per token | gpt-5.1No longer listed in the latest collection | 5,250,0005250000000000001/1000000000 | 31,500,00031500000000000007/1000000000 | Site quota points / million tokensBatch R2026-09-12 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bianxie.aidefaultCollected price · Per token | gpt-5.1Reflects that time only | 625,000 | 5,000,000 | Site quota points / million tokensBatch O9 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bianxie.aidefaultCollected price · Per token | gpt-5.1Reflects that time only | 625,000 | 5,000,000 | Site quota points / million tokensBatch O8 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bianxie.aidefaultCollected price · Per token | gpt-5.1Reflects that time only | 625,000 | 5,000,000 | Site quota points / million tokensBatch O6 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bianxie.aidefaultCollected price · Per token | gpt-5.1Reflects that time only | 625,000 | 5,000,000 | Site quota points / million tokensBatch O5 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1-thinkingReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O9 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1-mediumReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O9 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1-lowReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O9 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1Reflects that time only | —No value | —No value | Billing fields not yet understoodBatch O9 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1-highReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O9 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1-highReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O8 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1-thinkingReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O8 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1-mediumReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O8 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1Reflects that time only | —No value | —No value | Billing fields not yet understoodBatch O8 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1-lowReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O8 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1-lowReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O6 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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| api.bltcy.aiNo group statedCollected price · Other or unknown | gpt-5.1-thinkingReflects that time only | —No value | —No value | Billing fields not yet understoodBatch O6 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
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