Claude Fable 5.2 vs Claude Mythos 5.2 Fast
Price, context window & benchmark comparison
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Verdict: Claude Fable 5.2 has the larger context window (1M vs —).
| Claude Fable 5.2 | Claude Mythos 5.2 Fast | |
|---|---|---|
| Input price / 1M | $8.00 | — |
| Output price / 1M | $40.00 | — |
| Blended price (3:1) | $16.00 | — |
| Cached input / 1M | $0.20 | — |
| Context window | 1M | — |
| Max output | 128K | — |
| Intelligence index | 64.6 | — |
| Coding index | — | — |
| Providers | 5 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| Released | 2026-11-07 | 2026-11-09 |
| Retirement | — | — |
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FAQ
Which is cheaper, Claude Fable 5.2 or Claude Mythos 5.2 Fast?
Claude Fable 5.2 and Claude Mythos 5.2 Fast are priced identically.
Claude Fable 5.2 vs Claude Mythos 5.2 Fast: which has a bigger context window?
Claude Fable 5.2: 1,000,000 tokens. Claude Mythos 5.2 Fast: — tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Claude Fable 5.2 ≈ $36,000, Claude Mythos 5.2 Fast ≈ $0.
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