Model comparison
Composer 2 Fast vs Hy3 Preview
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Evidence parity. Composer 2 Fast and Hy3 Preview share 0 comparable benchmark results. 0 of 8 categories are comparable. 1 result is unique to Composer 2 Fast; 22 to Hy3 Preview.
Updated July 18, 2026- Shared results
- 0
- Composer 2 Fast only
- 1
- Hy3 Preview only
- 22
- Comparable categories
- 0 / 8
Benchmark data for Composer 2 Fast and Hy3 Preview is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Hy3 Preview has the larger context window at 256K, compared with 200K for Composer 2 Fast.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Composer 2 Fast | Hy3 Preview | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Composer 2 FastNot available | Hy3 Preview$0 input / $0 output | A complete price comparison is not available. |
| Generation speedtokens per second | Composer 2 FastNot available | Hy3 PreviewNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Composer 2 FastNot available | Hy3 PreviewNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Composer 2 Fast200K | Hy3 Preview256K | Hy3 Preview lists the larger context window. |
Benchmark Deep Dive
Agentic5 benchmarks
Coding6 benchmarks
Reasoning2 benchmarks
Knowledge9 benchmarks
| Benchmark | Composer 2 Fast | Hy3 Preview | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | — | 41.2% | Not comparable |
| GPQASource | — | 87.2% | Not comparable |
| GPQA-DSource | — | 87.2% | Not comparable |
| HLESource | — | 25.5% | Not comparable |
| AA-Omniscience AccuracySource | — | 31.5% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 73.0% | Not comparable |
| AA-GPQA DiamondSource | — | 89.7% | Not comparable |
| AA-HLESource | — | 31.6% | Not comparable |
| AA-Omniscience IndexSource | — | -18.5% | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Composer 2 Fast | Hy3 Preview | Result |
|---|---|---|---|
| IFBenchSource | — | 63.1% | Not comparable |
Frequently Asked Questions (3)
Can I compare Composer 2 Fast and Hy3 Preview on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Composer 2 Fast and Hy3 Preview today?
Hy3 Preview: $0.00 input / $0.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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