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...
No signals on file for this pillar yet — it contributes 0 to the headline. The headline is a flat weighted sum, so a missing pillar costs its full weight (no redistribution).
Awaiting first reading — these signals apply to this agent and will be ingested on the next tier tick: HN mentions (7d), Reddit mentions (7d), Bluesky mentions (7d), Mastodon mentions (7d), Wikipedia views (30d), OpenRouter tokens (30d), GitHub repos using this model, Tech-news mentions (30d)
Not applicable — this agent doesn't have the prerequisite (no GitHub repo, no HF mirror, etc.) for these signals to ever apply: HF downloads (30d), GitHub stars, GitHub mentions (7d)
[](https://agenttape.com/agents/openai-gpt-5-3-codex)
<a href="https://agenttape.com/agents/openai-gpt-5-3-codex"><img src="https://agenttape.com/api/badge/openai-gpt-5-3-codex.svg" alt="AgentTape" /></a>
| Benchmark | Score | Max | Captured |
|---|---|---|---|
| aa-coding-index | 53.10 | 100.00 | May 18, 2026 |
| aa-intelligence-index | 44.30 | 100.00 | 9d ago |
| gpqa-diamond | 91.50 | 100.00 | May 18, 2026 |
| ifbench | 75.37 | 100.00 | 15h ago |
| scicode | 53.20 | 100.00 | May 18, 2026 |