# Ember-1 vs GPT-5.4 mini

> Side-by-side benchmark comparison for Ember-1 and GPT-5.4 mini across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/ember-1-vs-gpt-5-4-mini
- Last updated: September 28, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Ember-1 and GPT-5.4 mini.

## Summary

- Ember-1 and GPT-5.4 mini do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Ember-1 | GPT-5.4 mini |
|----------|----------|----------|
| Creator | Fireworks | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1.04M | 400K |
| Independent public score (not head-to-head) | null | 54.95 |
| Benchmarks Covered | 5 | 21 |
| Pricing (input/output) | $3.00 / $15.00 | $0.75 / $4.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-5.4 mini public-lane score: 34 (Supported · #71/117)

| Benchmark | Ember-1 | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 82.0% | Coming soon | Coming soon |
| τ²-bench Airline | 66.0% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 60% | Coming soon |
| OSWorld-Verified | Coming soon | 72.1% | Coming soon |
| MCP Atlas | Coming soon | 57.7% | Coming soon |
| Toolathlon | Coming soon | 42.9% | Coming soon |
| τ²-bench results | Coming soon | 93.4% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 54.7% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-5.4 mini public-lane score: 36.9 (Supported · #71/142)

| Benchmark | Ember-1 | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 82.0% | Coming soon | Coming soon |
| SWE-bench Verified | 92.2% | Coming soon | Coming soon |
| DeepSWE | 75.2% | Coming soon | Coming soon |
| Vibe Code Bench | Coming soon | 47.97% | Coming soon |
| FrontierCode 1.1 Main | Coming soon | 27.0% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 81.5% | Coming soon |
| SWE-bench (Vals) | Coming soon | 73.0% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-5.4 mini public-lane score: 40 (Unranked · 4 rankable rows)

| Benchmark | Ember-1 | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | Coming soon | 63.70% | Coming soon |
| ARC-AGI-2 | Coming soon | 18.9% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-5.4 mini public-lane score: 58.3 (#33/50)

| Benchmark | Ember-1 | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 76.6% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 78% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-5.4 mini public-lane score: 48.4 (Supported · #65/168)

| Benchmark | Ember-1 | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 88% | Coming soon |
| HLE | Coming soon | 41.5% | Coming soon |
| HLE w/o tools | Coming soon | 28.2% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 83.1% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 84.6% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-5.4 mini public-lane score: 88.5 (#24/124)

### Mathematics

- Winner: Insufficient shared evidence
- Ember-1 public-lane score: Coming soon
- GPT-5.4 mini public-lane score: 44.3 (Unranked · 2 rankable rows)

| Benchmark | Ember-1 | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 28.280% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 2.080% | Coming soon |

## FAQ

### Can I compare Ember-1 and GPT-5.4 mini on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Ember-1 vs GPT-5.4 Pro](/compare/ember-1-vs-gpt-5-4-pro)
- [GPT-5.4 mini vs GPT-5.4 Pro](/compare/gpt-5-4-mini-vs-gpt-5-4-pro)
- [Ember-1 vs GPT-5.4](/compare/ember-1-vs-gpt-5-4)
- [GPT-5.4 mini vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-mini)

## Explore More

- [Ember-1 profile](/models/ember-1)
- [GPT-5.4 mini profile](/models/gpt-5-4-mini)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)