GPT-5.2 Codex
gpt-codex
Code-specialist GPT for repository edits, reviews, and long-running software agents
ReasoningTool CallingAttachmentsStructured Output
Context Window
400K
Max Output
128K
Temperature
No
Open Weights
No
Knowledge Cutoff
2025-08-31
Released
2025-12-11
Last Updated
2025-12-11
Modalities
Input:TextImagePDF
→Output:Text
Benchmarks
| Benchmark | Score | Metric |
|---|---|---|
| SWE-Bench Pro | 41.04 | resolve rate |
Available Providers (9)
| Provider | Input /1M | Output /1M | Cache Read /1M | Cache Write /1M | Reasoning | Status |
|---|---|---|---|---|---|---|
 Requesty | Rp 30.958 | Rp 247.661 | Rp 3.096 | — | effort, budget_tokens | — |
 Vercel AI Gateway | Rp 30.958 | Rp 247.661 | Rp 3.096 | — | effort | — |
 ZenMux | Rp 30.958 | Rp 247.661 | Rp 3.008 | — | effort | — |
 OrcaRouter | Rp 30.958 | Rp 247.661 | Rp 3.096 | — | ✓ | — |
 Cloudflare AI Gateway | Rp 30.958 | Rp 247.661 | Rp 3.096 | — | effort | — |
 Poe | Rp 28.305 | Rp 229.971 | Rp 2.831 | — | effort | — |
 Kilo Gateway | Rp 30.958 | Rp 247.661 | Rp 3.096 | — | effort | — |
 OpenRouter | Rp 30.958 | Rp 247.661 | Rp 3.096 | — | effort | — |
 NanoGPT | Rp 30.958 | Rp 247.661 | — | — | effort | — |