Model head-to-heads
Curated comparisons from the WhichAI database. Snapshot: September 8, 2026.
- Claude Opus 5 Claude Fable 5
- Claude Opus 5 GPT-5.6 Sol
- Claude Fable 5 GPT-5.6 Sol
- Claude Fable 5 Claude Opus 4.8
- GPT-5.6 Sol Kimi K3
- Kimi K3 GLM-5.2
- Claude Sonnet 5 GPT-5.5
- Gemini 3.1 Pro GPT-5.6 Terra
- Gemini 3.5 Flash GPT-5.6 Luna
- Claude Opus 4.8 GPT-5.5
- Grok 4.5 GPT-5.6 Terra
- DeepSeek V4 Pro Qwen3.7 Max
- Inkling Nemotron 3 Ultra
- Kimi K3 Claude Opus 4.8
