# Gemini 4 Hydrogen vs Tencent Hy4 (slim)

> Gemini 4 Hydrogen and Tencent Hy4 score within a point of each other for llm inference, 64.9 and 64 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/gemini-4-hydrogen-vs-hy4.md (~6,450 tokens) · this version ~980 tokens · JSON https://www.anchorterminal.com/compare/gemini-4-hydrogen-vs-hy4.json · canonical https://www.anchorterminal.com/compare/gemini-4-hydrogen-vs-hy4
- 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)

Gemini 4 Hydrogen and Tencent Hy4 score within a point of each other on agent readiness, 64.9 (B) and 64 (B). Tencent Hy4 leads on security & auth and payments & pricing. Both do llm inference.

- Gemini 4 Hydrogen: B 64.9, rank #546 of 1524 · https://www.anchorterminal.com/tools/gemini-4-hydrogen.min.md
- Tencent Hy4: B 64, rank #595 of 1524 · https://www.anchorterminal.com/tools/hy4.min.md
- 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. Ahead on Schema & documentation, 85 against 73; Maintenance & community, 85 against 73; Transparency & trust, 72 against 52. Also A hosted endpoint, with nothing to install.
- Tencent Hy4, good for Long-context agent work, coding and office or finance tasks on a 1M-token context with images, for teams already on Tencent Cloud or happy to verify an account there. Ahead on Security & auth, 71 against 50; Payments & pricing, 45 against 40.

| Category | Gemini 4 Hydrogen | Tencent Hy4 |
| --- | --- | --- |
| Reliability (16%) | 45 | 46 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 73 |
| Agent ergonomics (13%) | 90 | 86 |
| Security & auth (14%) | 50 | 71 |
| Payments & pricing (10%) | 40 | 45 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 85 | 73 |
| Transparency & trust (7%) | 72 | 52 |

| Fact (where they differ) | Gemini 4 Hydrogen | Tencent Hy4 |
| --- | --- | --- |
| Vendor | Google | Tencent (Hy team) |
| Hosted endpoint | `https://generativelanguage.googleapis.com/v1beta` | no (local only) |
| Transports |  | HTTP |
| Licence | Closed model, used through the Gemini API and Google's apps under Google's terms | Hosted model under the Tencent Cloud TokenHub terms. Tencent says weights and a system card will follow; no licence is stated yet |
| Last release | 2026-11-12 | 2026-11-04 |
| Terms last updated | 2026-04-28 | couldn't be read |
| Privacy policy last updated | 2026-10-01 | couldn't be read |
| Customer content may train models | yes | couldn't be read |
| Terms restrict automated access | yes | 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 | not found in the text | couldn't be read |

Why the edge:
- Security & auth, Tencent Hy4 +21: Gemini 4 Hydrogen 50 (Model reading for gemini-4-hydrogen on the Gemini API.); Tencent Hy4 71 (Model reading for hy4 on Tencent Cloud TokenHub.)
- Transparency & trust, Gemini 4 Hydrogen +20: Gemini 4 Hydrogen 72 (Model reading for gemini-4-hydrogen on the Gemini API.); Tencent Hy4 52 (Model reading for hy4 on Tencent Cloud TokenHub.)
- Schema & documentation, Gemini 4 Hydrogen +12: Gemini 4 Hydrogen 85 (Model reading for gemini-4-hydrogen on the Gemini API.); Tencent Hy4 73 (Model reading for hy4 on Tencent Cloud TokenHub.)
- Maintenance & community, Gemini 4 Hydrogen +12: Gemini 4 Hydrogen 85 (Model reading for gemini-4-hydrogen on the Gemini API.); Tencent Hy4 73 (Model reading for hy4 on Tencent Cloud TokenHub.)
- Payments & pricing, Tencent Hy4 +5: Gemini 4 Hydrogen 40 (Model reading for gemini-4-hydrogen on the Gemini API.); Tencent Hy4 45 (Model reading for hy4 on Tencent Cloud TokenHub.)