Claude Fable 5 vs o3
Claude Fable 5 leads in 3 of 8 categories
Arena ELO
o3
Cheaper
Claude Fable 5
Faster
o3
Detailed Comparison
| Category | Claude Fable 5 | o3 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context Window | 1M WIN | 200K |
| Input Price ($/1M) | $5 WIN | $10 |
| Output Price ($/1M) | $25 WIN | $40 |
| Arena ELO | N/A | 1350 WIN |
| Coding | N/A | unknown |
| Reasoning | N/A | unknown |
| Speed (tokens/sec) | N/A | ~30 t/s WIN |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Claude Fable 5 or o3?
Claude Fable 5 is approximately 40% cheaper than o3 per million tokens.
Which is better for coding, Claude Fable 5 or o3?
Claude Fable 5 scores N/A on coding benchmarks, while o3 scores unknown.
Which has a larger context window?
Claude Fable 5 supports 1M context, while o3 supports 200K.
Is Claude Fable 5 or o3 open source?
Claude Fable 5 is proprietary. o3 is proprietary.
Related Articles
More Comparisons
Claude Fable 5 vs Claude Opus 4.5Claude Fable 5 vs Llama 4 ScoutClaude Fable 5 vs Claude Haiku 4.5Claude Fable 5 vs Qwen 3.6Claude Fable 5 vs Kimi K2.7 CodeClaude Fable 5 vs Llama 4 MaverickClaude Fable 5 vs GPT-5.3-CodexClaude Fable 5 vs Gemma 4o3 vs Claude Opus 4.5o3 vs Llama 4 Scouto3 vs Claude Haiku 4.5o3 vs Qwen 3.6o3 vs Kimi K2.7 Codeo3 vs Llama 4 Mavericko3 vs GPT-5.3-Codexo3 vs Gemma 4