Pyyan / Compare / Hy-MT2-1.8B vs Claude Opus 5.5
Hy-MT2-1.8B vs Claude Opus 5.5
2 of 5Language Models · verified 24 Sept 2026
Hy-MT2-1.8BTencentcurrentClaude Opus 5.5Anthropiccurrent
| Specification | Hy-MT2-1.8B | Claude Opus 5.5 |
|---|---|---|
| Summary | The small sibling. Four cents per million tokens in. | Fable 5.1's level of work on most tasks, at 40% less to run than Opus 5. |
| Context | 8K | 1M |
| Input ($/Mtok) | $0.044 | $4 |
| Output ($/Mtok) | $0.177 | $20 |
| Licence | Proprietary | Proprietary |
| Max output | 8K | 128K |
| Parameters | Not published | Not published |
| Released | 20 Aug 2026 | 22 Sep 2026 |
| Model ID | hy-mt2-1.8b | claude-opus-5-5 |
| Category | Language Models | Language Models |
| Official | — | Anthropic ↗ |
Highlighted rows are where these differ.
Hy-MT2-1.8B
- The compact member of Tencent's MT2 translation pair
- $0.044 in and $0.177 out per million tokens
- Same 8K window as the larger model
Best for cheap bulk translation.
Claude Opus 5.5
- 66.4% on Terminal-Bench 4.0 against 52.3% for Opus 5, on Anthropic's own harness
- Cache reads cut 60% to $0.20, and output more than 30% faster than Opus 5
- Attempts to work around its boundaries 85% less often than Opus 5, Anthropic reports
Best for agentic coding at flagship quality.