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Model spotlight
GPT-5.3-Codex
Coding-optimized GPT model for repository edits, reviews, and agentic software work
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Provider coverage
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GPT-5.3-Codex FAQ
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Model family
GPT
-
Focus areas
Core specifications
Modalities
Identity
- Version
- gpt-5.3-codex
- Knowledge cutoff
- 2025-08-31
- Aliases
- GPT-5.3 Codex
Capabilities
Pricing
Capabilities and fit
Model summary
Coding-optimized GPT model for repository edits, reviews, and agentic software work
- Output
- Text
- Capabilities
- 4
- Catalog updated
- 2026-08-06T01:26:14.200Z
- Status
Benchmark results
| Benchmark | Type | Score / rank | Evaluated |
|---|---|---|---|
| SWE-Atlas Codebase QnA | Coding | 32.6 | 2026-08-05T03:37:00.044Z |
| SWE-Atlas Refactoring | Coding | 42.38 | 2026-08-05T03:37:00.044Z |
| SWE-Atlas Test Writing | Coding | 38.98 | 2026-08-05T03:37:00.044Z |
Provider coverage
| Provider | Input | Output | Pricing |
|---|---|---|---|
| Poe | IN $1.75/M OUT $14/M Read $0.175/M | ||
| Vivgrid | IN $1.75/M OUT $14/M Read $0.175/M | ||
| NanoGPT | IN $1.75/M OUT $14/M Read $0.175/M | ||
| FastRouter | IN $1.75/M OUT $14/M Read $0.175/M | ||
| LLM Gateway | IN $1.75/M OUT $14/M Read $0.175/M | ||
| OpenCode Zen | IN $1.75/M OUT $14/M Read $0.175/M | ||
| GitHub Copilot | IN $1.75/M OUT $14/M Read $0.175/M | ||
| Neon | IN $1.75/M OUT $14/M Read $0.175/M | ||
| FrogBot | IN $1.75/M OUT $14/M Read $0.175/M | ||
| Pioneer | IN $1.75/M OUT $14/M Read $0.175/M | ||
| ZenMux | IN $1.75/M OUT $14/M Read $0.175/M | ||
| Abacus | IN $1.75/M OUT $14/M Read $0.175/M | ||
| Azure Cognitive Services | IN $1.75/M OUT $14/M Read $0.175/M | ||
| Azure | IN $1.75/M OUT $14/M Read $0.175/M | ||
| AIHubMix | IN $1.75/M OUT $14/M Read $0.175/M | ||
| OrcaRouter | IN $1.75/M OUT $14/M Read $0.175/M | ||
| FreeModel | IN $1.75/M OUT $14/M Read $0.175/M | ||
| Requesty | IN $1.75/M OUT $14/M Read $0.175/M | ||
| Kilo Gateway | IN $1.75/M OUT $14/M Read $0.175/M | ||
| Vercel AI Gateway | IN $1.75/M OUT $14/M Read $0.175/M | ||
| OpenRouter | IN $1.75/M OUT $14/M Read $0.175/M | ||
| Cloudflare AI Gateway | IN $1.75/M OUT $14/M Read $0.175/M | ||
| OpenAI | IN $1.75/M OUT $14/M Read $0.175/M |