Model comparison
Claude Sonnet 4.5 Thinking vs Hy3 Preview
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use BenchLM's provisional ranking lane.
Evidence parity. Claude Sonnet 4.5 Thinking and Hy3 Preview share 0 comparable benchmark results. 0 of 8 categories are comparable. 2 results are unique to Claude Sonnet 4.5 Thinking; 22 to Hy3 Preview.
Updated July 14, 2026- Shared results
- 0
- Claude Sonnet 4.5 Thinking only
- 2
- Hy3 Preview only
- 22
- Comparable categories
- 0 / 8
Benchmark data for Claude Sonnet 4.5 Thinking 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 Claude Sonnet 4.5 Thinking.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Sonnet 4.5 Thinking | Hy3 Preview | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Sonnet 4.5 ThinkingNot available | Hy3 Preview$0 input / $0 output | A complete price comparison is not available. |
| Generation speedtokens per second | Claude Sonnet 4.5 ThinkingNot available | Hy3 PreviewNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Sonnet 4.5 ThinkingNot available | Hy3 PreviewNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Sonnet 4.5 Thinking200K | Hy3 Preview256K | Hy3 Preview lists the larger context window. |
Benchmark Deep Dive
Agentic5 benchmarks
Coding6 benchmarks
Reasoning2 benchmarks
Knowledge9 benchmarks
| Benchmark | Claude Sonnet 4.5 Thinking | 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 |
Multimodal1 benchmarks
| Benchmark | Claude Sonnet 4.5 Thinking | Hy3 Preview | Result |
|---|---|---|---|
| Design Arena WebsiteSource | 1224 | — | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Claude Sonnet 4.5 Thinking | Hy3 Preview | Result |
|---|---|---|---|
| IFBenchSource | — | 63.1% | Not comparable |
Frequently Asked Questions (3)
Can I compare Claude Sonnet 4.5 Thinking 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 Claude Sonnet 4.5 Thinking 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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