# Claude Fable 5.2 vs Claude Mythos 5.2 (slim)

> Claude Fable 5.2 scores 77.3 (BB) to Claude Mythos 5.2's 76.1 (BB) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/claude-fable-5-2-vs-claude-mythos-5-2.md (~4,850 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/claude-fable-5-2-vs-claude-mythos-5-2.json · canonical https://www.anchorterminal.com/compare/claude-fable-5-2-vs-claude-mythos-5-2
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-09
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Claude Fable 5.2 scores 77.3 (BB) on agent readiness against Claude Mythos 5.2's 76.1 (BB), and leads in 1 of 7 scored categories. Both do llm inference.

- Claude Fable 5.2: BB 77.3, rank #35 of 1517 · https://www.anchorterminal.com/tools/claude-fable-5-2.min.md
- Claude Mythos 5.2: BB 76.1, rank #51 of 1517 · https://www.anchorterminal.com/tools/claude-mythos-5-2.min.md
- Claude Fable 5.2, good for Agents doing long, hard work (large coding changes, multi-step research, computer use) that can pay frontier prices, accept 30-day retention and don't need to force a tool call. Ahead on Payments & pricing, 30 against 20.
- Claude Mythos 5.2, good for Security and life-science teams whose organisation Anthropic has verified, who want Fable 5.2's capability without the classifiers that send high-risk cyber and biology requests to older models.

| Category | Claude Fable 5.2 | Claude Mythos 5.2 |
| --- | --- | --- |
| Reliability (16%) | 60 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 90 | 90 |
| Agent ergonomics (13%) | 95 | 95 |
| Security & auth (14%) | 92 | 92 |
| Payments & pricing (10%) | 30 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 91 | 91 |
| Transparency & trust (7%) | 85 | 85 |

| Fact (where they differ) | Claude Fable 5.2 | Claude Mythos 5.2 |
| --- | --- | --- |

Why the edge:
- Payments & pricing, Claude Fable 5.2 +10: Claude Fable 5.2 30 (Model reading for claude-fable-5-2 on the Claude API.); Claude Mythos 5.2 20 (Model reading for claude-mythos-5-2 on the Claude API.)