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.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1-highReflects that time only | 1,625,000 | 13,000,000 | 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.ifopen.aidefaultCollected price · Per token | gpt-5.1-lowReflects 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.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1-lowReflects that time only | 1,625,000 | 13,000,000 | 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.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1-mediumReflects that time only | 1,625,000 | 13,000,000 | 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.ifopen.aidefaultCollected price · Per token | gpt-5.1-mediumReflects 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.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1Reflects that time only | 1,625,000 | 13,000,000 | 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.ifopen.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.
|
| api.ifopen.aiTest [machine translation]Group on site: 测试 Collected price · Per token | gpt-5.1Reflects that time only | 2,187,500 | 17,500,000 | 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.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1-highReflects that time only | 1,625,000 | 13,000,000 | 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.ifopen.aidefaultCollected price · Per token | gpt-5.1-highReflects 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.
|
| api.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1-mediumReflects that time only | 1,625,000 | 13,000,000 | Site quota points / million tokensBatch O6 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
|
| api.ifopen.aidefaultCollected price · Per token | gpt-5.1-mediumReflects 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.
|
| api.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1-lowReflects that time only | 1,625,000 | 13,000,000 | 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.ifopen.aidefaultCollected price · Per token | gpt-5.1-lowReflects 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.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1Reflects that time only | 1,625,000 | 13,000,000 | 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.ifopen.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.
|
| api.ifopen.aiTest [machine translation]Group on site: 测试 Collected price · Per token | gpt-5.1Reflects that time only | 2,187,500 | 17,500,000 | 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.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1-highReflects that time only | 1,625,000 | 13,000,000 | Site quota points / million tokensBatch O6 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
|
| api.ifopen.aidefaultCollected price · Per token | gpt-5.1-highReflects 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.
|
| api.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1Reflects that time only | 1,625,000 | 13,000,000 | Site quota points / million tokensBatch O5 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
|
| api.ifopen.aiTest [machine translation]Group on site: 测试 Collected price · Per token | gpt-5.1Reflects that time only | 2,187,500 | 17,500,000 | Site quota points / million tokensBatch O5 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
|
| api.ifopen.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.
|
| api.ifopen.aiAll-model dedicated line channel [machine translation]Group on site: 全模型专线渠道 Collected price · Per token | gpt-5.1-lowReflects that time only | 1,625,000 | 13,000,000 | Site quota points / million tokensBatch O5 | Billing details and sourceThe billing fields below come straight from this row’s original collection.
|
| api.ifopen.aidefaultCollected price · Per token | gpt-5.1-lowReflects 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.
|
| api.ifopen.aidefaultCollected price · Per token | gpt-5.1-mediumReflects 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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