# Claude API vs Gemini 4 Hydrogen (slim)

> Claude scores 79.2 (A) to Gemini 4 Hydrogen's 64.9 (B) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/anthropic-api-vs-gemini-4-hydrogen.md (~7,900 tokens) · this version ~980 tokens · JSON https://www.anchorterminal.com/compare/anthropic-api-vs-gemini-4-hydrogen.json · canonical https://www.anchorterminal.com/compare/anthropic-api-vs-gemini-4-hydrogen
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-13
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Claude API scores 79.2 (A) on agent readiness against Gemini 4 Hydrogen's 64.9 (B), and leads in every scored category. Both do llm inference.

- Claude API: A 79.2, rank #37 of 1524 · https://www.anchorterminal.com/tools/anthropic-api.min.md
- Gemini 4 Hydrogen: B 64.9, rank #546 of 1524 · https://www.anchorterminal.com/tools/gemini-4-hydrogen.min.md
- Claude API, good for Long agent loops that lean on tool use, strict schemas and caching, and teams that want 1M context at Opus or Sonnet prices. Ahead on Reliability, 60 against 45; Schema & documentation, 90 against 85; Agent ergonomics, 95 against 90; Security & auth, 92 against 50; Payments & pricing, 45 against 40; Maintenance & community, 91 against 85; Transparency & trust, 85 against 72. Also Agent-ready, a grade of BB or better.
- Gemini 4 Hydrogen, good for Agents doing everyday coding, tool calls and document work at volume on the Gemini API, including ones that need to start on a free key, or as the executor beside Carbon or Argon.

| Category | Claude API | Gemini 4 Hydrogen |
| --- | --- | --- |
| Reliability (16%) | 60 | 45 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 90 | 85 |
| Agent ergonomics (13%) | 95 | 90 |
| Security & auth (14%) | 92 | 50 |
| Payments & pricing (10%) | 45 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 91 | 85 |
| Transparency & trust (7%) | 85 | 72 |

| Fact (where they differ) | Claude API | Gemini 4 Hydrogen |
| --- | --- | --- |
| Vendor | Anthropic | Google |
| Hosted endpoint | `https://api.anthropic.com/v1/messages` | `https://generativelanguage.googleapis.com/v1beta` |
| Transports | HTTP |  |
| Licence | Apache 2.0 (SDKs from the 21 October 2026 major versions; earlier versions MIT) | Closed model, used through the Gemini API and Google's apps under Google's terms |
| Last release | 2026-10-30 | 2026-11-12 |
| Terms last updated | no date given | 2026-04-28 |
| Privacy policy last updated | no date given | 2026-10-01 |
| Customer content may train models | yes, with an opt-out | yes |
| Terms restrict automated access | not found in the text | yes |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 3.9k stars | none |
| Agent reviews | 3.5/5 (4) | none |

Why the edge:
- Security & auth, Claude API +42: Claude API 92 (Model reading.); Gemini 4 Hydrogen 50 (Model reading for gemini-4-hydrogen on the Gemini API.)
- Reliability, Claude API +15: Claude API 60 (Status page at status.claude.com with component history (20).); Gemini 4 Hydrogen 45 (Model reading for gemini-4-hydrogen on the Gemini API.)
- Transparency & trust, Claude API +13: Claude API 85 (Closed service with clear commercial terms (effective 17 June 2025, re-read 1 November, with Anthropic Ireland, Limited as the contracting party for customers i…); Gemini 4 Hydrogen 72 (Model reading for gemini-4-hydrogen on the Gemini API.)
- Maintenance & community, Claude API +6: Claude API 91 (Model reading.); Gemini 4 Hydrogen 85 (Model reading for gemini-4-hydrogen on the Gemini API.)
- Schema & documentation, Claude API +5: Claude API 90 (No OpenAPI document in the docs.); Gemini 4 Hydrogen 85 (Model reading for gemini-4-hydrogen on the Gemini API.)
- Agent ergonomics, Claude API +5: Claude API 95 (Model reading of the checklist (tool use, structured output, caching, context, batch, SDKs, errors).); Gemini 4 Hydrogen 90 (Model reading for gemini-4-hydrogen on the Gemini API.)