Claude Fable 5 vs Grok 4.6
Price, context window & benchmark comparison
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Verdict: Grok 4.6 is 6.7× cheaper than Claude Fable 5 on a typical 3:1 input/output mix. Claude Fable 5 scores higher on the Artificial Analysis Intelligence Index (49.6 vs 44.3). Claude Fable 5 has the larger context window (1M vs 500K).
| Claude Fable 5 | Grok 4.6 | |
|---|---|---|
| Input price / 1M | $10.00 | $2.00 |
| Output price / 1M | $50.00 | $6.00 |
| Blended price (3:1) | $20.00 | $3.00 |
| Cached input / 1M | $1.00 | $0.50 |
| Context window | 1M | 500K |
| Max output | 128K | 450K |
| Intelligence index | 49.6 | 44.3 |
| Coding index | 76.5 | 76.8 |
| Providers | 6 | 5 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-06-09 | 2026-08-12 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, Claude Fable 5 or Grok 4.6?
Grok 4.6 is 6.7× cheaper than Claude Fable 5 on a typical 3:1 input/output mix.
Claude Fable 5 vs Grok 4.6: which has a bigger context window?
Claude Fable 5: 1,000,000 tokens. Grok 4.6: 500,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Claude Fable 5 ≈ $45,000, Grok 4.6 ≈ $7,000.
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