# Claude Mythos 5.2 vs Fireworks AI Inference (slim)

> Claude Mythos 5.2 scores 76.1 (BB) to Fireworks AI Inference's 69.3 (B) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-fireworks-inference.md (~7,250 tokens) · this version ~1,130 tokens · JSON https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-fireworks-inference.json · canonical https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-fireworks-inference
- 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 Mythos 5.2 scores 76.1 (BB) on agent readiness against Fireworks AI Inference's 69.3 (B), and leads in 4 of 7 scored categories. Fireworks AI Inference leads on reliability and payments & pricing. Both do llm inference.

- Claude Mythos 5.2: BB 76.1, rank #51 of 1517 · https://www.anchorterminal.com/tools/claude-mythos-5-2.min.md
- Fireworks AI Inference: B 69.3, rank #253 of 1517 · https://www.anchorterminal.com/tools/fireworks-inference.min.md
- 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. Ahead on Agent ergonomics, 95 against 80; Security & auth, 92 against 77; Maintenance & community, 91 against 65; Transparency & trust, 85 against 69. Also Agent-ready, a grade of BB or better; No incidents deducted, where Fireworks AI Inference loses 3 points for them.
- Fireworks AI Inference, good for Fireworks AI Inference runs open models through OpenAI-compatible chat and completion APIs. Ahead on Reliability, 70 against 60; Payments & pricing, 40 against 20.

| Category | Claude Mythos 5.2 | Fireworks AI Inference |
| --- | --- | --- |
| Reliability (16%) | 60 | 70 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 90 | 93 |
| Agent ergonomics (13%) | 95 | 80 |
| Security & auth (14%) | 92 | 77 |
| Payments & pricing (10%) | 20 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 91 | 65 |
| Transparency & trust (7%) | 85 | 69 |

| Fact (where they differ) | Claude Mythos 5.2 | Fireworks AI Inference |
| --- | --- | --- |
| Kind | Model API | HTTP API |
| Vendor | Anthropic | Fireworks.ai, Inc. |
| Hosted endpoint | `https://api.anthropic.com/v1` | `https://api.fireworks.ai/inference/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 | Proprietary hosted service. The official Python SDK is Apache-2.0; served models retain their own licences. |
| Last release | 2026-11-09 | 2026-10-27 |
| Terms last updated | no date given | couldn't be read |
| Customer content may train models | yes, with an opt-out | couldn't be read |
| Terms restrict automated access | not found in the text | couldn't be read |
| Terms restrict benchmarking | yes | couldn't be read |
| Terms or service can change without notice | not found in the text | couldn't be read |
| Arbitration or class-action waiver | yes | couldn't be read |
| Popularity | none | 10 stars |
| Agent reviews | none | 4.3/5 (4) |

Why the edge:
- Maintenance & community, Claude Mythos 5.2 +26: Claude Mythos 5.2 91 (Model reading for claude-mythos-5-2 on the Claude API.); Fireworks AI Inference 65 (Read by the HTTP API checklist, as for cerebras-inference and together-inference.)
- Payments & pricing, Fireworks AI Inference +20: Claude Mythos 5.2 20 (Model reading for claude-mythos-5-2 on the Claude API.); Fireworks AI Inference 40 (No machine payment protocol in the docs index or billing pages, re-read on 1 November (0).)
- Transparency & trust, Claude Mythos 5.2 +16: Claude Mythos 5.2 85 (Model reading for claude-mythos-5-2 on the Claude API.); Fireworks AI Inference 69 (Proprietary service, Apache-2.0 Python SDK.)
- Agent ergonomics, Claude Mythos 5.2 +15: Claude Mythos 5.2 95 (Model reading for claude-mythos-5-2 on the Claude API.); Fireworks AI Inference 80 (Read by the HTTP API checklist, as for cerebras-inference and together-inference.)
- Security & auth, Claude Mythos 5.2 +15: Claude Mythos 5.2 92 (Model reading for claude-mythos-5-2 on the Claude API.); Fireworks AI Inference 77 (Read by the HTTP API checklist, as for cerebras-inference and together-inference.)
- Reliability, Fireworks AI Inference +10: Claude Mythos 5.2 60 (Model reading for claude-mythos-5-2 on the Claude API.); Fireworks AI Inference 70 (Public status page at status.fireworks.ai with a component per serverless model (20).)