# Claude API vs DeepSeek API (slim)

> Claude API has a score of 77.6 (BB) against DeepSeek API's 47.1 (D). Both do llm inference. The largest gap is security & auth, 62 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/anthropic-api-vs-deepseek-api.md (~1,550 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/anthropic-api-vs-deepseek-api.json · canonical https://www.anchorterminal.com/compare/anthropic-api-vs-deepseek-api
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

Claude API has a score of 77.6 (BB) against DeepSeek API's 47.1 (D). Both do llm inference. The largest gap is security & auth, 62 points.

- Claude API: BB 77.6, rank #18 of 452 · https://www.anchorterminal.com/tools/anthropic-api.min.md
- DeepSeek API: D 47.1, rank #386 of 452 · https://www.anchorterminal.com/tools/deepseek-api.min.md
- Pick Claude API for schema & documentation (+41), agent ergonomics (+25), security & auth (+62), payments & pricing (+10), maintenance & community (+45), transparency & trust (+20). Pick DeepSeek API for reliability (+5).

| Category | Claude API | DeepSeek API |
| --- | --- | --- |
| Reliability (16%) | 60 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 90 | 49 |
| Agent ergonomics (13%) | 95 | 70 |
| Security & auth (14%) | 92 | 30 |
| Payments & pricing (10%) | 30 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 91 | 46 |
| Transparency & trust (7%) | 88 | 68 |