# Ember-1 vs GPT-6 Luna

> Side-by-side benchmark comparison for Ember-1 and GPT-6 Luna across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/ember-1-vs-gpt-6-luna
- Last updated: September 28, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Evidence is too thin for a benchmark verdict: Ember-1 and GPT-6 Luna share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- GPT-6 Luna has the lower published output-token price.
- GPT-6 Luna has the larger published context window at 1.05M.

## Model Snapshot

| Property | Ember-1 | GPT-6 Luna |
|----------|----------|----------|
| Creator | Fireworks | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1.04M | 1.05M |
| Independent public score (not head-to-head) | null | 66.45 |
| Benchmarks Covered | 5 | 10 |
| Pricing (input/output) | $3.00 / $15.00 | $0.10 / $0.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-6 Luna public-lane score: 55.5 (Estimated · #32/117)

| Benchmark | Ember-1 | GPT-6 Luna | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 82.0% | Coming soon | Coming soon |
| τ²-bench Airline | 66.0% | Coming soon | Coming soon |
| ExploitGym | Coming soon | 11.6% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-6 Luna public-lane score: 51.1 (Supported · #37/142)

| Benchmark | Ember-1 | GPT-6 Luna | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 82.0% | Coming soon | Coming soon |
| SWE-bench Verified | 92.2% | Coming soon | Coming soon |
| DeepSWE | 75.2% | 66.6% | Ember-1 |

### Reasoning

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-6 Luna public-lane score: 55.6 (#25/27)

| Benchmark | Ember-1 | GPT-6 Luna | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | Coming soon | 86.70% | Coming soon |
| ARC-AGI-2 | Coming soon | 59.3% | Coming soon |
| ARC-AGI-3 | Coming soon | 0.1% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-6 Luna public-lane score: 72.3 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-6 Luna public-lane score: 65.3 (Supported · #23/168)

| Benchmark | Ember-1 | GPT-6 Luna | Winner |
|-----------|-----------|-----------|--------|
| HealthBench (raw) | Coming soon | 50.0% | Coming soon |
| HealthBench (length-adjusted) | Coming soon | 54.5% | Coming soon |
| HealthBench Professional | Coming soon | 60.8% | Coming soon |
| HealthBench Professional (raw) | Coming soon | 61.2% | Coming soon |
| HealthBench Hard | Coming soon | 31.4% | Coming soon |

## FAQ

### Is there enough evidence to pick between Ember-1 and GPT-6 Luna?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Ember-1 vs GPT-6 Astra](/compare/ember-1-vs-gpt-6-astra)
- [GPT-6 Luna vs GPT-6 Astra](/compare/gpt-6-astra-vs-gpt-6-luna)
- [Ember-1 vs GPT-6 Sol](/compare/ember-1-vs-gpt-6-sol)
- [GPT-6 Luna vs GPT-6 Sol](/compare/gpt-6-luna-vs-gpt-6-sol)

## Explore More

- [Ember-1 profile](/models/ember-1)
- [GPT-6 Luna profile](/models/gpt-6-luna)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)