# GPT-OSS 20B vs Hy-MT1.5-1.8B-1.25bit

> Side-by-side benchmark comparison for GPT-OSS 20B and Hy-MT1.5-1.8B-1.25bit across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-oss-20b-vs-hy-mt1-5-1-8b-1-25bit
- Last updated: September 18, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for GPT-OSS 20B and Hy-MT1.5-1.8B-1.25bit.

## Summary

- GPT-OSS 20B and Hy-MT1.5-1.8B-1.25bit do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | GPT-OSS 20B | Hy-MT1.5-1.8B-1.25bit |
|----------|----------|----------|
| Creator | OpenAI | Tencent Hunyuan |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 128K | 262K |
| Independent public score (not head-to-head) | 41.08 | null |
| Benchmarks Covered | 1 | 0 |
| Pricing (input/output) | $0.00 / $0.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-OSS 20B public-lane score: 36.6 (Estimated · #135/154)
- Hy-MT1.5-1.8B-1.25bit public-lane score: Coming soon

### Coding

- Winner: Insufficient shared evidence
- GPT-OSS 20B public-lane score: 38.6 (Estimated · #127/154)
- Hy-MT1.5-1.8B-1.25bit public-lane score: Coming soon

| Benchmark | GPT-OSS 20B | Hy-MT1.5-1.8B-1.25bit | Winner |
|-----------|-----------|-----------|--------|
| React Native Evals | 71% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-OSS 20B public-lane score: 44.9 (Unranked · 2 rankable rows)
- Hy-MT1.5-1.8B-1.25bit public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- GPT-OSS 20B public-lane score: 39.3 (Estimated · #142/184)
- Hy-MT1.5-1.8B-1.25bit public-lane score: Coming soon

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-OSS 20B public-lane score: 77.8 (#54/124)
- Hy-MT1.5-1.8B-1.25bit public-lane score: Coming soon

## FAQ

### Can I compare GPT-OSS 20B and Hy-MT1.5-1.8B-1.25bit on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [GPT-OSS 20B vs GPT-OSS 120B](/compare/gpt-oss-120b-vs-gpt-oss-20b)
- [Hy-MT1.5-1.8B-1.25bit vs GPT-OSS 120B](/compare/gpt-oss-120b-vs-hy-mt1-5-1-8b-1-25bit)
- [GPT-OSS 20B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-oss-20b)
- [Hy-MT1.5-1.8B-1.25bit vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-hy-mt1-5-1-8b-1-25bit)

## Explore More

- [GPT-OSS 20B profile](/models/gpt-oss-20b)
- [Hy-MT1.5-1.8B-1.25bit profile](/models/hy-mt1-5-1-8b-1-25bit)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)