GPT-5.1 Token Counter & Pricing
$1.25/1M input · $10/1M output · 400K context · OpenAI
Count Tokens
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Tokens
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Input Cost
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Output Cost
Pricing Details
OpenAI
Input / 1M tokens
$1.25
Output / 1M tokens
$10
Context Window
400K
Max Output
16K
Compare GPT-5.1 with Similar Models
| Model | Input / 1M | Output / 1M | Context | Max Output |
|---|---|---|---|---|
| GPT-5.1 | $1.25 | $10 | 400K | 16K |
| GPT-5 | $1.25 | $10 | 400K | 16K |
| Gemini 2.5 Pro | $1.25 | $10 | 1.0M | 66K |
| Nova 2.0 Pro Reasoning | $1.25 | $10 | 128K | 33K |
Frequently Asked Questions
Common questions about GPT-5.1 pricing and usage