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GPT-5.3 Codex
Add at least one more model, or try one of these
- Coding: best vs cheapest on the frontierGPT-5.3 Codex · Claude Opus 5.5 · Granite 4.2 3B
- Top 3 in CodingGPT-5.3 Codex · Claude Opus 5.5 · Claude Sonnet 5.5 · Claude Fable 5.1
- Top 3 in Writing & chatGPT-5.3 Codex · Claude Fable 5.1 · Claude Opus 5 · Claude Opus 5.5
- Top 3 in VisionGPT-5.3 Codex · GPT-6 Astra · Claude Opus 5.5 · Claude Fable 5.1
- Top 3 in Hard reasoningGPT-5.3 Codex · Claude Opus 5.5 · Claude Fable 5.1 · Claude Sonnet 5.5
- Top 3 in AgentsGPT-5.3 Codex · Claude Opus 5.5 · Claude Fable 5.1 · Muse Spark 1.3
- Top 3 in Image generationGPT-5.3 Codex · GPT Image 2.5 Sunburst · GPT Image 2.5 Flare · GPT Image 2
- Top 3 in Video generationGPT-5.3 Codex · Gemini Omni Flash · Gemini Omni 1.1 Flash · Wan 3.0