# Antseed vs Claude Fable 5.2 (slim)

> Claude Fable 5.2 scores 77.3 (BB) to Antseed's 54.1 (C) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/antseed-vs-claude-fable-5-2.md (~6,950 tokens) · this version ~1,030 tokens · JSON https://www.anchorterminal.com/compare/antseed-vs-claude-fable-5-2.json · canonical https://www.anchorterminal.com/compare/antseed-vs-claude-fable-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 Antseed's 54.1 (C), and leads in 6 of 7 scored categories. Antseed leads on payments & pricing. Both do llm inference.

- Antseed: C 54.1, rank #926 of 1517 · https://www.anchorterminal.com/tools/antseed.min.md
- Claude Fable 5.2: BB 77.3, rank #35 of 1517 · https://www.anchorterminal.com/tools/claude-fable-5-2.min.md
- Antseed, good for Agents and coding tools that want pay-per-request inference with no account, and owners comfortable holding USDC on Base. Ahead on Payments & pricing, 70 against 30. Also No key needed to call it; Free to start without a card; Open source.
- 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 55; Agent ergonomics, 95 against 56; Security & auth, 92 against 45; Maintenance & community, 91 against 79; Transparency & trust, 85 against 59. Also Agent-ready, a grade of BB or better; A hosted endpoint, with nothing to install; No incidents deducted, where Antseed loses 3 points for them.

| Category | Antseed | Claude Fable 5.2 |
| --- | --- | --- |
| Reliability (16%) | 52 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 55 | 90 |
| Agent ergonomics (13%) | 56 | 95 |
| Security & auth (14%) | 45 | 92 |
| Payments & pricing (10%) | 70 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 79 | 91 |
| Transparency & trust (7%) | 59 | 85 |

| Fact (where they differ) | Antseed | Claude Fable 5.2 |
| --- | --- | --- |
| Kind | Model router | Model API |
| Vendor | Antseed Foundation | Anthropic |
| Hosted endpoint | no (local only) | `https://api.anthropic.com/v1` |
| Transports | HTTP |  |
| Auth | None | API key |
| Licence | GPL-3.0 (LICENSE in the repository). The @antseed/cli manifest on npm carries no licence field | Closed model, used through the Claude API and cloud platforms under Anthropic's Commercial Terms of Service |
| Last release | 2026-10-31 | 2026-11-09 |
| Terms last updated | 2026-05-15 | no date given |
| Privacy policy last updated | no document linked | no date given |
| Customer content may train models | not found in the text | yes, with an opt-out |
| Terms restrict benchmarking | not found in the text | yes |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 106 stars, 1.8k npm/wk | none |

Why the edge:
- Security & auth, Claude Fable 5.2 +47: Antseed 45 (Model reading.); Claude Fable 5.2 92 (Model reading for claude-fable-5-2 on the Claude API.)
- Payments & pricing, Antseed +40: Antseed 70 (x402 v2 exists only on `POST /v1/key/topup` of a gateway the owner runs, and is off until enabled per key.); Claude Fable 5.2 30 (Model reading for claude-fable-5-2 on the Claude API.)
- Agent ergonomics, Claude Fable 5.2 +39: Antseed 56 (Model reading, as for other routers.); Claude Fable 5.2 95 (Model reading for claude-fable-5-2 on the Claude API.)
- Schema & documentation, Claude Fable 5.2 +35: Antseed 55 (No OpenAPI document found in the repository or docs.); Claude Fable 5.2 90 (Model reading for claude-fable-5-2 on the Claude API.)
- Transparency & trust, Claude Fable 5.2 +26: Antseed 59 (GPL-3.0 source for the protocol, CLI, desktop app and contracts (30).); Claude Fable 5.2 85 (Model reading for claude-fable-5-2 on the Claude API.)
- Maintenance & community, Claude Fable 5.2 +12: Antseed 79 (v0.2.72 was tagged on 31 October 2026, 4 days before the check (30).); Claude Fable 5.2 91 (Model reading for claude-fable-5-2 on the Claude API.)