OpenAI/ GPT
GPT-5-Codex
openai/gpt-5-codex
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Released
2025-09-15
Context window
400K
Max output
128K
Weights
Closed
Modalities
Input
TextImage
Output
Text
Identity
- Version
- gpt-5-codex
- Knowledge cutoff
- 2024-09-30
- Aliases
- GPT-5-Codex
Providers
| Provider | Provider model ID | Protocol | Context | Max output | Input | Output | Capabilities | Notes | Pricing | Streaming |
|---|---|---|---|---|---|---|---|---|---|---|
| Poe | openai/gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.1/M output $9/M | Yes |
| NanoGPT | openai/gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.25/M · cache read $0.125/M output $10/M | Yes |
| OpenCode Zen | gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.07/M · cache read $0.107/M output $8.5/M | Yes |
| Helicone | gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.25/M · cache read $0.125/M output $10/M | Yes |
| ZenMux | openai/gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.25/M · cache read $0.12/M output $10/M | Yes |
| Abacus | gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.25/M · cache read $0.125/M output $10/M | Yes |
| Azure Cognitive Services | gpt-5-codex | custom | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.25/M · cache read $0.13/M output $10/M | Yes |
| Azure | gpt-5-codex | openai_responses | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.25/M · cache read $0.13/M output $10/M | Yes |
| OrcaRouter | openai/gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.25/M · cache read $0.125/M output $10/M | Yes |
| Requesty | openai/gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.25/M · cache read $0.125/M output $10/M | Yes |
| Kilo Gateway | openai/gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | - | Yes |
| Vercel AI Gateway | openai/gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.25/M · cache read $0.13/M output $10/M | Yes |
| Jiekou.AI | gpt-5-codex | openai_chat | 400K | 128K | TextImage | Text | ReasoningTool callStructured | - | input $1.125/M output $9/M | Yes |
Capabilities
ReasoningTool callStructured
Official price
input $1.25/M · cache read $0.13/M
output $10/M