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GPT-5.1
Model Spec
openai:gpt-5.1
Modalities
Input
text
image
Output
text
Capabilities
Chat
Reasoning
Tools
Vision
Streaming
JSON
Pricing Components
| Component | Price | Conditions | Source |
|---|---|---|---|
| tool.web_search | $10.00 / 1,000 calls | Standard | — |
| tool.web_search_preview | $10.00 / 1,000 calls | Standard | — |
| tool.web_search_preview.non_reasoning | $25.00 / 1,000 calls | Standard | — |
| tool.file_search | $2.50 / 1,000 calls | Standard | — |
| storage.file_search | $0.10 / 1 gb_days | Standard | file_search_storage_gb_day |
| tool.code_interpreter | $0.03 / 1 sessions | Standard | — |
| tool.code_interpreter.4gb | $0.12 / 1 sessions | Standard | — |
| tool.code_interpreter.16gb | $0.48 / 1 sessions | Standard | — |
| tool.code_interpreter.64gb | $1.92 / 1 sessions | Standard | — |
| token.input | $1.25 / 1M tokens | Standard | — |
| token.output | $10.00 / 1M tokens | Standard | — |
| token.cache_read | $0.13 / 1M tokens | Standard | — |
Specifications
Context Window
400,000 tokens
Max Output
128,000 tokens
Input Cost
$1.25/M
Output Cost
$10.00/M
History
Raw JSONTimeline is based on collected llm_db history snapshots and may be incomplete.
2026-07-02
changed
-
extra.description
(add)
— → Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
2026-06-10
changed
-
extra.reasoning_options
(add)
— → [1 items]
2026-05-27
changed
-
cost.cache_read
(replace)
0.13 → 0.125
2026-04-20
changed
-
capabilities.rerank
(add)
— → false
2026-04-15
changed
-
capabilities.json.native
(remove)
false → —
-
capabilities.json.strict
(remove)
false → —
-
capabilities.reasoning.enabled
(replace)
false → true
2026-03-27
changed
-
execution
(add)
— → {2 fields}
2026-03-14
introduced
snapshots 64bf744 -> 98a92b8 • generated 2026-07-29T03:34:55
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