Model comparison
Hy3 Preview vs Mercury 2
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
BenchAlign evidence: Hy3 Preview not scored; Mercury 2 supported. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Hy3 Preview and Mercury 2 share 0 comparable benchmark results. 0 of 8 categories are comparable. 22 results are unique to Hy3 Preview; 0 to Mercury 2.
Updated July 16, 2026- Shared results
- 0
- Hy3 Preview only
- 22
- Mercury 2 only
- 0
- Comparable categories
- 0 / 8
Benchmark data for Hy3 Preview and Mercury 2 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 Mercury 2 yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.
Mercury 2 is priced at $0.25 input / $0.75 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Hy3 Preview. Hy3 Preview has the larger context window at 256K, compared with 128K for Mercury 2.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Hy3 Preview | Mercury 2 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Hy3 Preview$0 input / $0 output | Mercury 2$0.25 input / $0.75 output | Hy3 Preview has the lower combined listed price. |
| Generation speedtokens per second | Hy3 PreviewNot available | Mercury 2789 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Hy3 PreviewNot available | Mercury 23.88 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Hy3 Preview256K | Mercury 2128K | Hy3 Preview lists the larger context window. |
Benchmark Deep Dive
Agentic5 benchmarks
Coding5 benchmarks
Reasoning2 benchmarks
Knowledge9 benchmarks
| Benchmark | Hy3 Preview | Mercury 2 | 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 | Mercury 2 | Result |
|---|---|---|---|
| IFBenchSource | 63.1% | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Hy3 Preview and Mercury 2 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 Mercury 2 today?
Hy3 Preview: $0.00 input / $0.00 output per 1M tokens Mercury 2: $0.25 input / $0.75 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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