Official model documentation
Fields: model identity
GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks.…
- Context
- 400K
- Max output
- 128K
- Input
- $0.625
- Output
- $5
Recommended use cases
Strengths in this dataset
- 400,000-token context window
- text, image input
- 8 supported API parameters listed
Limits and caveats
- Provider behavior and pricing can change; verify the linked sources before production use.
Capability
Model-native facts
Model- Reasoning
- Supported
- Open weights
- Unknown
Provider endpoint facts
Provider endpoint- Tool calling
- Supported
- Structured output
- Supported
- Streaming
- Unknown
- Prompt cache
- Supported
- Batch
- Supported
- Fine-tuning
- Unknown
GPT-5 Codex (batch) Provider pricing
Provider endpoint: openai/gpt-5-codex:batch
- Input
- $0.625 per 1M tokens
- Output
- $5 per 1M tokens
- Cached input
- $0.0625 per 1M tokens
- Image output
- Unknown per 1M tokens
Sources and verification
OpenRouter Models API
Fields: identity, description, modalities, context window, maximum output, pricing, supported parameters
Frequently asked questions
Answers are generated from the same sourced model and provider facts shown above.
GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks.…
Model specifications and prices may vary by provider and change over time. AIToolly displays sources and verification dates so users can confirm critical details before production use.