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openai/gpt-5.3-codex
Model Spec
zenmux:openai/gpt-5.3-codex
Modalities
Input
text
Output
text
Capabilities
Chat
Reasoning
Tools
Streaming
Pricing Components
| Component | Price | Conditions | Source |
|---|---|---|---|
| token.input | $1.75 / 1M tokens | Standard | — |
| token.output | $14.00 / 1M tokens | Standard | — |
Specifications
Context Window
400,000 tokens
Max Output
128,000 tokens
Input Cost
$1.75/M
Output Cost
$14.00/M
History
Raw JSONTimeline is based on collected llm_db history snapshots and may be incomplete.
2026-07-02
changed
-
extra.description
(add)
— → Coding-optimized GPT model for repository edits, reviews, and agentic softwar...
2026-06-15
changed
-
extra.reasoning_options
(add)
— → [1 items]
2026-04-20
changed
-
capabilities.rerank
(add)
— → false
2026-04-15
changed
-
capabilities.reasoning.enabled
(replace)
false → true
-
capabilities.streaming.text
(remove)
true → —
-
capabilities.streaming.tool_calls
(replace)
false → true
2026-03-31
changed
-
extra.provider
(add)
— → {2 fields}
2026-03-27
changed
-
execution
(add)
— → {2 fields}
2026-03-21
changed
-
cost
(replace)
— → {2 fields}
-
extra.attachment
(add)
— → true
-
extra.open_weights
(add)
— → false
2026-03-18
introduced
snapshots 64bf744 -> 98a92b8 • generated 2026-07-29T03:34:55
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of 6154 models
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