Model comparison
Hy3 Preview vs Step 3.5 Flash
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use BenchLM's provisional ranking lane.
Evidence parity. Hy3 Preview and Step 3.5 Flash share 0 comparable benchmark results. 0 of 8 categories are comparable. 22 results are unique to Hy3 Preview; 0 to Step 3.5 Flash.
Updated July 14, 2026- Shared results
- 0
- Hy3 Preview only
- 22
- Step 3.5 Flash only
- 0
- Comparable categories
- 0 / 8
Benchmark data for Hy3 Preview and Step 3.5 Flash 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 does not have sourced benchmark coverage for Step 3.5 Flash yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.
Step 3.5 Flash is priced at $0.10 input / $0.30 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Hy3 Preview.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Hy3 Preview | Step 3.5 Flash | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Hy3 Preview$0 input / $0 output | Step 3.5 Flash$0.1 input / $0.3 output | Hy3 Preview has the lower combined listed price. |
| Generation speedtokens per second | Hy3 PreviewNot available | Step 3.5 Flash87 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Hy3 PreviewNot available | Step 3.5 Flash3.03 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Hy3 Preview256K | Step 3.5 Flash256K | Listed context windows are equal. |
Benchmark Deep Dive
Agentic5 benchmarks
Coding5 benchmarks
Reasoning2 benchmarks
Knowledge9 benchmarks
| Benchmark | Hy3 Preview | Step 3.5 Flash | 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 | Hy3 Preview | Step 3.5 Flash | Result |
|---|---|---|---|
| IFBenchSource | 63.1% | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Hy3 Preview and Step 3.5 Flash 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 Hy3 Preview and Step 3.5 Flash today?
Hy3 Preview: $0.00 input / $0.00 output per 1M tokens Step 3.5 Flash: $0.10 input / $0.30 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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