Codex Mini
by OpenAIChat
codex-mini-latest is a fine-tuned version of o4-mini specifically for use in Codex CLI. For direct use in the API, we recommend starting with gpt-4.1.
- Context
- 200K tokens
- Max output
- 100,000 tokens
- Released
- 2025-05-16
- Weights
- Closed
openai/codex-mini · also seen as eu/codex-mini, us/codex-mini, codex-mini-latest
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2025-05-16
- Weights
- Closed
- Input
- Text
- Output
- Text
- Context window
- 200,000 max across endpoints
- Max output
- 100,000
- Providers
- 3
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $1.50 in · $6.00 out per 1M tokens · 1 of 3 providers have a comparable price
More details
- Last updated
- 2025-05-16
- Knowledge cutoff
- 2024-04
- Base model
- o4-mini
- Developer country
- United States of America
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel tools
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web searchunknown
- Computer useunknown
- System messages
- Assistant prefillunknown
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $1.50 in / $6.00 out per 1M tokens at OpenAI on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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