# Ember-1 vs Ornith-1.5-397B

> Side-by-side benchmark comparison for Ember-1 and Ornith-1.5-397B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/ember-1-vs-ornith-1-5-397b
- Last updated: September 28, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Ornith-1.5-397B if you want the stronger benchmark profile. Ember-1 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Ornith-1.5-397B leads overall 61.78 to 0.
- The biggest single benchmark swing is DeepSWE in Coding, with scores of 75.2% and 56.0%.
- Ornith-1.5-397B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Ember-1 also has the larger context window at 1.04M.

## Model Snapshot

| Property | Ember-1 | Ornith-1.5-397B |
|----------|----------|----------|
| Creator | Fireworks | Ornith AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1.04M | 262K |
| Overall Score | null | 61.78 |
| Benchmarks Covered | 5 | 18 |
| Pricing (input/output) | $3.00 / $15.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Ember-1 public-lane score: Coming soon
- Ornith-1.5-397B public-lane score: 56.5 (Estimated · #27/117)

| Benchmark | Ember-1 | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 82.0% | 86.1% | Ornith-1.5-397B |
| τ²-bench Airline | 66.0% | Coming soon | Coming soon |
| HLE w/ tools | Coming soon | 56.1% | Coming soon |
| MCP Atlas | Coming soon | 80% | Coming soon |
| Toolathlon-Verified | Coming soon | 71.2% | Coming soon |
| WideResearch | Coming soon | 80.8% | Coming soon |
| BrowseComp | Coming soon | 86.6% | Coming soon |
| Claw-Eval | Coming soon | 81.4% | Coming soon |

### Coding

- Winner: Not comparable
- Ember-1 public-lane score: Coming soon
- Ornith-1.5-397B public-lane score: 54.5 (Estimated · #31/142)

| Benchmark | Ember-1 | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 82.0% | 86.1% | Ornith-1.5-397B |
| SWE-bench Verified | 92.2% | 86% | Ember-1 |
| DeepSWE | 75.2% | 56.0% | Ember-1 |
| SWE-bench Pro | Coming soon | 65.1% | Coming soon |
| SWE Multilingual | Coming soon | 79.6% | Coming soon |
| frontierBench | Coming soon | 13.5% | Coming soon |
| NL2Repo | Coming soon | 59.5% | Coming soon |

### Knowledge

- Winner: Not comparable
- Ember-1 public-lane score: Coming soon
- Ornith-1.5-397B public-lane score: 63.4 (Estimated · #33/168)

| Benchmark | Ember-1 | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 92.8% | Coming soon |
| GPQA-D | Coming soon | 92.8% | Coming soon |
| HLE | Coming soon | 44.6% | Coming soon |
| HLE w/o tools | Coming soon | 44.6% | Coming soon |

## FAQ

### Which is better overall, Ember-1 or Ornith-1.5-397B?

Ornith-1.5-397B is ahead overall on BenchLM right now.

### How many benchmarks does Ember-1 cover on BenchLM?

Ember-1 currently has 5 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

- [Ember-1 vs Ornith-1.5-35B-A3B](/compare/ember-1-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)
- [Ember-1 vs Ornith-1.5-9B](/compare/ember-1-vs-ornith-1-5-9b)
- [Ornith-1.5-397B vs Ornith-1.5-9B](/compare/ornith-1-5-397b-vs-ornith-1-5-9b)

## Explore More

- [Ember-1 profile](/models/ember-1)
- [Ornith-1.5-397B profile](/models/ornith-1-5-397b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)