# Nemotron 3.5 Bolt 74B-A9B BF16 vs Ornith-1.5-397B

> Side-by-side benchmark comparison for Nemotron 3.5 Bolt 74B-A9B BF16 and Ornith-1.5-397B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/nemotron-3-5-bolt-74b-a9b-bf16-vs-ornith-1-5-397b
- Last updated: October 16, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Ornith-1.5-397B leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Ornith-1.5-397B has the higher overall point estimate 62.33 to 60. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 53.9% and 86.1%.
- Ornith-1.5-397B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Ornith-1.5-397B also has the larger context window at 262K.

## Model Snapshot

| Property | Nemotron 3.5 Bolt 74B-A9B BF16 | Ornith-1.5-397B |
|----------|----------|----------|
| Creator | NVIDIA | Ornith AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 262K |
| Overall Score | null | 62.33 |
| Benchmarks Covered | 8 | 18 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Nemotron 3.5 Bolt 74B-A9B BF16 public-lane score: Coming soon
- Ornith-1.5-397B public-lane score: 58.6 (Estimated · #32/128)

| Benchmark | Nemotron 3.5 Bolt 74B-A9B BF16 | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 53.9% | 86.1% | Ornith-1.5-397B |
| τ³-bench results | 17.0% | Coming soon | Coming soon |
| BrowseComp | 70% | 86.6% | Ornith-1.5-397B |
| PinchBench | 90.3% | Coming soon | Coming soon |
| MCP Atlas | 55.6% | 80% | Ornith-1.5-397B |
| WebArena | 50.3% | Coming soon | Coming soon |
| HLE w/ tools | Coming soon | 56.1% | Coming soon |
| Toolathlon-Verified | Coming soon | 71.2% | Coming soon |
| WideResearch | Coming soon | 80.8% | Coming soon |
| Claw-Eval | Coming soon | 81.4% | Coming soon |

### Coding

- Winner: Not comparable
- Nemotron 3.5 Bolt 74B-A9B BF16 public-lane score: Coming soon
- Ornith-1.5-397B public-lane score: 53.4 (Estimated · #36/150)

| Benchmark | Nemotron 3.5 Bolt 74B-A9B BF16 | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 86.1% | Coming soon |
| SWE-bench Verified | Coming soon | 86% | Coming soon |
| SWE-bench Pro | Coming soon | 65.1% | Coming soon |
| SWE Multilingual | Coming soon | 79.6% | Coming soon |
| DeepSWE | Coming soon | 56.0% | Coming soon |
| frontierBench | Coming soon | 13.5% | Coming soon |
| NL2Repo | Coming soon | 59.5% | Coming soon |

### Reasoning

- Winner: Not comparable
- Nemotron 3.5 Bolt 74B-A9B BF16 public-lane score: 72.1 (Unranked · 1 rankable row)
- Ornith-1.5-397B public-lane score: Coming soon

### Knowledge

- Winner: Not comparable
- Nemotron 3.5 Bolt 74B-A9B BF16 public-lane score: Coming soon
- Ornith-1.5-397B public-lane score: 64.6 (Estimated · #39/184)

| Benchmark | Nemotron 3.5 Bolt 74B-A9B BF16 | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 88.8% | 92.8% | Ornith-1.5-397B |
| HLE w/o tools | 28.7% | 44.6% | Ornith-1.5-397B |
| GPQA | Coming soon | 92.8% | Coming soon |
| HLE | Coming soon | 44.6% | Coming soon |

## FAQ

### Which is better overall, Nemotron 3.5 Bolt 74B-A9B BF16 or Ornith-1.5-397B?

Ornith-1.5-397B has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### How many benchmarks does Nemotron 3.5 Bolt 74B-A9B BF16 cover on BenchLM?

Nemotron 3.5 Bolt 74B-A9B BF16 currently has 8 sourced benchmark scores on BenchLM.

### How many benchmarks does Ornith-1.5-397B cover on BenchLM?

Ornith-1.5-397B currently has 18 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Nemotron 3.5 Bolt 74B-A9B BF16 vs Nemotron 3.5 Bolt 74B-A9B](/compare/nemotron-3-5-bolt-74b-a9b-vs-nemotron-3-5-bolt-74b-a9b-bf16)
- [Ornith-1.5-397B vs Nemotron 3.5 Bolt 74B-A9B](/compare/nemotron-3-5-bolt-74b-a9b-vs-ornith-1-5-397b)
- [Nemotron 3.5 Bolt 74B-A9B BF16 vs Ornith-1.5-35B-A3B](/compare/nemotron-3-5-bolt-74b-a9b-bf16-vs-ornith-1-5-35b-a3b)
- [Ornith-1.5-397B vs Ornith-1.5-35B-A3B](/compare/ornith-1-5-35b-a3b-vs-ornith-1-5-397b)

## Explore More

- [Nemotron 3.5 Bolt 74B-A9B BF16 profile](/models/nemotron-3-5-bolt-74b-a9b-bf16)
- [Ornith-1.5-397B profile](/models/ornith-1-5-397b)
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