Model comparison
Hy3 Preview vs Llama 3.1 405B
Head-to-head evidence from 9 shared benchmark results across 3 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Hy3 Preview unranked (Not scored); Llama 3.1 405B #101 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Hy3 Preview and Llama 3.1 405B share 9 comparable benchmark results. 0 of 8 categories are comparable. 13 results are unique to Hy3 Preview; 3 to Llama 3.1 405B.
Updated July 17, 2026- Shared results
- 9
- Hy3 Preview only
- 13
- Llama 3.1 405B only
- 3
- Comparable categories
- 0 / 8
Benchmark data for Hy3 Preview and Llama 3.1 405B 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 128K for Llama 3.1 405B.
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 | Hy3 Preview | Δ | Llama 3.1 405B |
|---|---|---|---|
| Agentic | Hy3 Preview54.4 | MarginNo overlap | Llama 3.1 405BNot measured |
| Coding | Hy3 Preview57.8 | MarginNo overlap | Llama 3.1 405BNot measured |
| Knowledge | Hy3 Preview33.8 | MarginNo overlap | Llama 3.1 405BNot measured |
| Inst. Following | Hy3 Preview63.1 | MarginNo overlap | Llama 3.1 405BNot measured |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Hy3 Preview | Llama 3.1 405B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Hy3 Preview$0 input / $0 output | Llama 3.1 405B$0 input / $0 output | Listed prices are equal. |
| Generation speedtokens per second | Hy3 PreviewNot available | Llama 3.1 405B29 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Hy3 PreviewNot available | Llama 3.1 405B2.19 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Hy3 Preview256K | Llama 3.1 405B128K | Hy3 Preview lists the larger context window. |
Benchmark Deep Dive
Agentic6 benchmarks
Coding6 benchmarks
Reasoning2 benchmarks
Knowledge9 benchmarks
| Benchmark | Hy3 Preview | Llama 3.1 405B | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 41.2% | 8.5% | Hy3 Preview leads |
| GPQASource | 87.2% | — | Not comparable |
| GPQA-DSource | 87.2% | — | Not comparable |
| HLESource | 25.5% | — | Not comparable |
| AA-Omniscience AccuracySource | 31.5% | 22.3% | Hy3 Preview leads |
| AA-Omniscience Hallucination RateSource | 73.0% | 51.0% | Llama 3.1 405B leads |
| AA-GPQA DiamondSource | 89.7% | 51.5% | Hy3 Preview leads |
| AA-HLESource | 31.6% | 4.2% | Hy3 Preview leads |
| AA-Omniscience IndexSource | -18.5% | -17.3% | Llama 3.1 405B leads |
Frequently Asked Questions (3)
Can I compare Hy3 Preview and Llama 3.1 405B 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 Llama 3.1 405B today?
Hy3 Preview: $0.00 input / $0.00 output per 1M tokens Llama 3.1 405B: $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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