# GPT-5.4 Pro vs Mistral Nemo

> GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 25.9 on the Noometry Index. Mistral Nemo costs 450× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-5-4-pro-vs-mistral-nemo
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. GPT-5.4 Pro scores higher in 3 categories and Mistral Nemo in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.4 Pro leads 68.3 to 12.3.
- The biggest single-benchmark swing is GPQA Diamond: 94.6% for GPT-5.4 Pro and 29.9% for Mistral Nemo.
- Mistral Nemo is cheaper at $0.15 / $0.15 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro accepts more context: 1.05M tokens versus 128K.
- Mistral Nemo has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.4 Pro | Mistral Nemo |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Noometry Index | 58.8 | 25.9 |
| Rank | 16 | 332 |
| Context | 1.05M | 128K |
| Input $/M | $30 | $0.15 |
| Output $/M | $180 | $0.15 |
| Weights | Proprietary | Open |

## Coding

- GPT-5.4 Pro: 42.6 (#89)
- Mistral Nemo: —

| Benchmark | GPT-5.4 Pro | Mistral Nemo |
|---|---|---|
| WeirdML | 57.4% | — |

## Agentic & Tool Use

- GPT-5.4 Pro: —
- Mistral Nemo: 23.3 (#118)

| Benchmark | GPT-5.4 Pro | Mistral Nemo |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.6% |
| BALROG | — | 17.6% |

## Reasoning

- GPT-5.4 Pro: 71.0 (#10)
- Mistral Nemo: 19.9 (#230)

| Benchmark | GPT-5.4 Pro | Mistral Nemo |
|---|---|---|
| Epoch Capabilities Index | 159.12 | 118.63 |
| ARC-AGI-2 | 83.3% | — |
| SimpleBench | 74.1% | — |
| ARC-AGI-1 | 94.5% | — |
| CritPt | 30% | — |
| Chess Puzzles | 58.6% | — |
| EnigmaEval | 23.8% | — |
| DTBench | — | 48.6% |
| PIQA | — | 83.5% |

## Math

- GPT-5.4 Pro: 72.0 (#17)
- Mistral Nemo: 23.5 (#263)

| Benchmark | GPT-5.4 Pro | Mistral Nemo |
|---|---|---|
| FrontierMath (Tiers 1-3) | 82.5% | — |
| FrontierMath Tier 4 | 58.5% | — |
| MATH Level 5 | — | 10.8% |
| FrontierMath (Feb 2025 set) | 50% | — |
| FrontierMath Tier 4 (v1) | 37.5% | — |
| GSM8K | — | 84.2% |

## Knowledge

- GPT-5.4 Pro: 68.3 (#6)
- Mistral Nemo: 12.3 (#293)

| Benchmark | GPT-5.4 Pro | Mistral Nemo |
|---|---|---|
| GPQA Diamond | 94.6% | 29.9% |
| Humanity's Last Exam | 44.3% | — |
| SimpleQA Verified | 46.3% | — |
| Vectara Hallucination Rate | 8.3% | — |
| BoolQ | — | 82.5% |

## Writing & Preference

- GPT-5.4 Pro: —
- Mistral Nemo: 28.6 (#291)

| Benchmark | GPT-5.4 Pro | Mistral Nemo |
|---|---|---|
| EQ-Bench Creative Writing | — | 881 |

## FAQ

### Is GPT-5.4 Pro better than Mistral Nemo?

GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 25.9 on the Noometry Index. Mistral Nemo costs 450× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

### Which is cheaper, GPT-5.4 Pro or Mistral Nemo?

Mistral Nemo is cheaper. It lists at $0.15 per million input tokens and $0.15 per million output tokens; GPT-5.4 Pro lists at $30 and $180.

### Which has the bigger context window?

GPT-5.4 Pro does, with 1.05M tokens against 128K.

### How many benchmarks do GPT-5.4 Pro and Mistral Nemo share?

2 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Mistral Nemo has 10.