Claude Fable 5 vs Grok 3
Grok 3 leads in 4 of 8 categories
Arena ELO
Grok 3
Cheaper
Grok 3
Faster
Grok 3
Detailed Comparison
| Category | Claude Fable 5 | Grok 3 |
|---|---|---|
| Provider | Anthropic | xAI |
| Context Window | 1M WIN | 131K |
| Input Price ($/1M) | $10 | $3 WIN |
| Output Price ($/1M) | $50 | $15 WIN |
| Arena ELO | N/A | 1360 WIN |
| Coding | N/A | unknown |
| Reasoning | N/A | 93.3% AIME 2025 |
| Speed (tokens/sec) | N/A | ~55 t/s WIN |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Claude Fable 5 or Grok 3?
Grok 3 is approximately 70% cheaper than Claude Fable 5 per million tokens.
Which is better for coding, Claude Fable 5 or Grok 3?
Claude Fable 5 scores N/A on coding benchmarks, while Grok 3 scores unknown.
Which has a larger context window?
Claude Fable 5 supports 1M context, while Grok 3 supports 131K.
Is Claude Fable 5 or Grok 3 open source?
Claude Fable 5 is proprietary. Grok 3 is proprietary.
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