Model comparison
Claude Opus 4.5 Thinking vs Hy3 Preview
Head-to-head evidence from 9 shared benchmark results across 3 categories. Overall scores shown here use BenchLM's provisional ranking lane.
Evidence parity. Claude Opus 4.5 Thinking and Hy3 Preview share 9 comparable benchmark results. 0 of 8 categories are comparable. 8 results are unique to Claude Opus 4.5 Thinking; 13 to Hy3 Preview.
Updated July 14, 2026- Shared results
- 9
- Claude Opus 4.5 Thinking only
- 8
- Hy3 Preview only
- 13
- Comparable categories
- 0 / 8
Benchmark data for Claude Opus 4.5 Thinking and Hy3 Preview is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 9 shared benchmark results across 3 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 Opus 4.5 Thinking.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Claude Opus 4.5 Thinking | Δ | Hy3 Preview |
|---|---|---|---|
| Agentic | Claude Opus 4.5 ThinkingNot measured | MarginNo overlap | Hy3 Preview54.4 |
| Coding | Claude Opus 4.5 ThinkingNot measured | MarginNo overlap | Hy3 Preview61.6 |
| Knowledge | Claude Opus 4.5 ThinkingNot measured | MarginNo overlap | Hy3 Preview33.8 |
| Inst. Following | Claude Opus 4.5 ThinkingNot measured | MarginNo overlap | Hy3 Preview63.1 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Opus 4.5 Thinking | Hy3 Preview | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Opus 4.5 ThinkingNot available | Hy3 Preview$0 input / $0 output | A complete price comparison is not available. |
| Generation speedtokens per second | Claude Opus 4.5 ThinkingNot available | Hy3 PreviewNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Opus 4.5 ThinkingNot available | Hy3 PreviewNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Opus 4.5 Thinking200K | Hy3 Preview256K | Hy3 Preview lists the larger context window. |
Benchmark Deep Dive
Agentic6 benchmarks
Coding7 benchmarks
| Benchmark | Claude Opus 4.5 Thinking | Hy3 Preview | Result |
|---|---|---|---|
| Vibe Code BenchSource | 20.63% | — | Not comparable |
| Terminal-Bench HardSource | 47.0% | — | Not comparable |
| AA-SciCodeSource | 49.5% | 47.6% | Claude Opus 4.5 Thinking leads |
| SWE-bench VerifiedSource | — | 74.4% | Not comparable |
| Terminal-Bench 2.0Source | — | 54.4% | Not comparable |
| SciCodeSource | — | 41.2% | Not comparable |
| AA Coding IndexSource | — | 58.8% | Not comparable |
Reasoning2 benchmarks
Knowledge10 benchmarks
| Benchmark | Claude Opus 4.5 Thinking | Hy3 Preview | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 40.8% | 41.2% | Hy3 Preview leads |
| AA-GPQA DiamondSource | 86.6% | 89.7% | Hy3 Preview leads |
| AA-HLESource | 28.4% | 31.6% | Hy3 Preview leads |
| AA-Omniscience IndexSource | 13.3% | -18.5% | Claude Opus 4.5 Thinking leads |
| AA-Omniscience AccuracySource | 45.7% | 31.5% | Claude Opus 4.5 Thinking leads |
| AA-Omniscience Hallucination RateSource | 59.8% | 73.0% | Claude Opus 4.5 Thinking leads |
| AA MMLU-ProSource | 89.5% | — | Not comparable |
| GPQASource | — | 87.2% | Not comparable |
| GPQA-DSource | — | 87.2% | Not comparable |
| HLESource | — | 25.5% | Not comparable |
Multilingual1 benchmarks
| Benchmark | Claude Opus 4.5 Thinking | Hy3 Preview | Result |
|---|---|---|---|
| AA Global-MMLU-LiteSource | 91.3% | — | Not comparable |
Multimodal2 benchmarks
Frequently Asked Questions (3)
Can I compare Claude Opus 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 Opus 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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