Model
GPT-5.3 Codex
Coding-optimized GPT model for repository edits, reviews, and agentic software work
14 providersreleased knowledge cutoff 2025-08-31closed weights
$1.60
best input /M · Poe
$13
best output /M
400K
context window
128K
max output
Compare providers (sorted by listed input price)
| Provider | Input /M | Output /M | Cache read /M | Cache write /M | Context | Capabilities | Status | Updated |
|---|---|---|---|---|---|---|---|---|
| Poe openai/gpt-5.3-codex | $1.60 | $13 | $0.16 | — | 400K | reasoningtoolsno structuredvision | Feb 10, 2026 | |
| OrcaRouter openai/gpt-5.3-codex | $1.75 | $14 | $0.175 | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 | |
| NanoGPT openai/gpt-5.3-codex | $1.75 | $14 | $0.175 | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 | |
| Impossibl openai/gpt-5.3-codex | $1.75 | $14 | $0.175 | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 | |
| OpenRouter openai/gpt-5.3-codex | $1.75 | $14 | $0.175 | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 | |
| OpenAI gpt-5.3-codex | $1.75 | $14 | $0.175 | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 | |
| LLM Gateway openai/gpt-5.3-codex | $1.75 | $14 | $0.175 | — | 400K | reasoningtoolsno structuredvision | Feb 5, 2026 | |
| Cloudflare AI Gateway openai/gpt-5.3-codex | $1.75 | $14 | $0.175 | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 | |
| FastRouter openai/gpt-5.3-codex | $1.75 | $14 | — | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 | |
| ZenMux openai/gpt-5.3-codex | $1.75 | $14 | — | — | 400K | reasoningtoolsno structuredvision | Mar 20, 2026 | |
| Ofox openai/gpt-5.3-codex | $1.75 | $14 | $0.18 | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 | |
| Vercel AI Gateway openai/gpt-5.3-codex | $1.75 | $14 | $0.175 | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 | |
| Eden AI openai/gpt-5.3-codex | $1.75 | $14 | $0.175 | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 | |
| Kilo Gateway openai/gpt-5.3-codex | $1.75 | $14 | $0.175 | — | 400K | reasoningtoolsstructuredvision | Feb 5, 2026 |
Price badge
https://models.sutraworks.ai/badge/openai/gpt-5.3-codex.svgLive SVG, regenerated on every hourly sync — paste it into a README to always show the current cheapest listed price. Updates when prices change; no build step needed on your side.
Benchmarks
- SWE-Atlas Codebase QnA(score)report ↗32.6
- SWE-Atlas Refactoring(score)report ↗42.38
- SWE-Atlas Test Writing(score)report ↗38.98
Prices are per million tokens (USD). “—” means the provider does not publicly list a price for this model. Data from models.dev; verify with the provider before purchasing.