OpenAI: GPT-5.3-Codex
openai/gpt-5.3-codex
GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...
Modalities
In / Out Price
$1.75 / $14 per 1M
Context
400K
Released
Feb 24, 2026
Knowledge Cutoff
—
Providers
Different carriers host the same model. Reroute routes each request to the best one on price and uptime, and fails over to the next if a carrier goes down.
| Provider | Context | Input /M | Output /M | Cache read /M | Latency | Throughput | Uptime |
|---|---|---|---|---|---|---|---|
 Azure | 400K | $1.75 | $14 | $0.175 | — | — | 100.00% |
| OpenAI | 400K | $1.75 | $14 | $0.175 | — | — | 100.00% |
| OpenAI | 400K | $3.50 | $28 | $0.35 | — | — | — |