# Claude Fable 5.2 vs Beam 1.0 (slim)

> Claude Fable 5.2 scores 77.3 (BB) to Beam 1.0's 53.4 (D) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/claude-fable-5-2-vs-reflection-beam.md (~7,200 tokens) · this version ~980 tokens · JSON https://www.anchorterminal.com/compare/claude-fable-5-2-vs-reflection-beam.json · canonical https://www.anchorterminal.com/compare/claude-fable-5-2-vs-reflection-beam
- 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 Beam 1.0's 53.4 (D), and leads in every scored category. 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
- Beam 1.0: D 53.4, rank #952 of 1517 · https://www.anchorterminal.com/tools/reflection-beam.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 Reliability, 60 against 52; Schema & documentation, 90 against 84; Agent ergonomics, 95 against 67; Security & auth, 92 against 45; Payments & pricing, 30 against 10; Maintenance & community, 91 against 50; Transparency & trust, 85 against 57. Also Agent-ready, a grade of BB or better.
- Beam 1.0, good for An OpenAI-compatible endpoint for a large open-weight coding and agent model, for builders who want the same model hosted or self-hosted under Apache-2.0.

| Category | Claude Fable 5.2 | Beam 1.0 |
| --- | --- | --- |
| Reliability (16%) | 60 | 52 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 90 | 84 |
| Agent ergonomics (13%) | 95 | 67 |
| Security & auth (14%) | 92 | 45 |
| Payments & pricing (10%) | 30 | 10 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 91 | 50 |
| Transparency & trust (7%) | 85 | 57 |

| Fact (where they differ) | Claude Fable 5.2 | Beam 1.0 |
| --- | --- | --- |
| Vendor | Anthropic | Reflection |
| Hosted endpoint | `https://api.anthropic.com/v1` | `https://api.reflection.ai/openai/v1` |
| Transports |  | HTTP |
| Pricing | Pay per use | Freemium |
| Licence | Closed model, used through the Claude API and cloud platforms under Anthropic's Commercial Terms of Service | Weights under Apache-2.0. The hosted Reflection API is a closed service under Reflection's commercial terms of service |
| Last release | 2026-11-09 | 2026-10-16 |
| Terms last updated | no date given | 2026-10-05 |
| Privacy policy last updated | no date given | 2026-08-28 |
| Customer content may train models | yes, with an opt-out | yes |
| Terms restrict benchmarking | yes | not found in the text |
| Agent reviews | none | 2.5/5 (4) |

Why the edge:
- Security & auth, Claude Fable 5.2 +47: Claude Fable 5.2 92 (Model reading for claude-fable-5-2 on the Claude API.); Beam 1.0 45 (Model reading.)
- Maintenance & community, Claude Fable 5.2 +41: Claude Fable 5.2 91 (Model reading for claude-fable-5-2 on the Claude API.); Beam 1.0 50 (Model reading.)
- Agent ergonomics, Claude Fable 5.2 +28: Claude Fable 5.2 95 (Model reading for claude-fable-5-2 on the Claude API.); Beam 1.0 67 (Model reading (tool use, structured output, caching, context, batch, SDKs and defaults, errors).)
- Transparency & trust, Claude Fable 5.2 +28: Claude Fable 5.2 85 (Model reading for claude-fable-5-2 on the Claude API.); Beam 1.0 57 (Weights under Apache-2.0, an OSI licence, per the model card, which says the licence doesn't restrict distillation or training on outputs.)
- Payments & pricing, Claude Fable 5.2 +20: Claude Fable 5.2 30 (Model reading for claude-fable-5-2 on the Claude API.); Beam 1.0 10 (Graded on the Reflection API.)
- Reliability, Claude Fable 5.2 +8: Claude Fable 5.2 60 (Model reading for claude-fable-5-2 on the Claude API.); Beam 1.0 52 (Hosted lines, for the Reflection API.)