OpenAI
GPT-5.3-Codex
Released 2026-02-24
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...
You send / 1M
$1.75
tokens in
It replies / 1M
$14.00
tokens out
Memory
400K
tokens it can read at once
Typical request
$0.0093
1,000 words in, 400 out
Data privacy
No training or retention: Yes. At least one provider serves it with zero data retention.
| Provider | You send / 1M | It replies / 1M | Uptime | Privacy policy |
|---|---|---|---|---|
| Azure | $1.75 | $14.00 | 100% | Read |
Based on OpenRouter and Vercel AI Gateway data. Confirm terms with the provider before sending sensitive data.
What it can do
- Reads: text, image, file
- Writes: text
- Reasoning: Yes
- Tool calling: Yes
- Longest reply: 128K tokens
- Repeated text is billed at $0.175 per 1M (prompt caching)
- Intelligence score: 32.5 / 100 (Artificial Analysis)
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Appears in
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