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GPT-5.2 Codex
🇺🇸OpenAI6mo
Context:400K tokens
Input:$1.75/1M
Output:$14/1M
Neura Index
39.8
Rank #194—
lowCategory Profile
Benchmark Scores (1)
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-Bench Pro | 56.4 | verified |
Performance History
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Frequently Asked Questions about GPT-5.2 Codex
What is GPT-5.2 Codex's Neura Intelligence Index score?▾
GPT-5.2 Codex by OpenAI scores 39.8 out of 100 on the Neura Intelligence Index, ranking #194 among tracked AI models. This composite score is computed from 1 individual benchmarks across coding, math, reasoning, and language categories.
How much does GPT-5.2 Codex cost to use?▾
GPT-5.2 Codex costs $1.75/1M input tokens and $14/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $144.
Is GPT-5.2 Codex open source?▾
No, GPT-5.2 Codex is a proprietary model by OpenAI. It is only accessible via their API.
What is GPT-5.2 Codex's context window?▾
GPT-5.2 Codex supports a context window of 400K tokens, allowing it to process very long documents, codebases, and conversations in a single request.
What benchmark does GPT-5.2 Codex perform best on?▾
GPT-5.2 Codex achieves its highest score on SWE-Bench Pro with a score of 56.4%. This benchmark evaluates harder subset of swe-bench with more complex multi-file changes.