# Gemini 2.5 Pro vs GPT-5.4 mini

> Side-by-side benchmark comparison for Gemini 2.5 Pro and GPT-5.4 mini across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-2-5-pro-vs-gpt-5-4-mini
- Last updated: September 10, 2026

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

## Quick Verdict

Pick GPT-5.4 mini if you want the stronger benchmark profile. Gemini 2.5 Pro only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GPT-5.4 mini leads overall 61.11 to 57.12.
- The clearest category separation is in instruction following, where the averages are 57.9 for Gemini 2.5 Pro and 89.8 for GPT-5.4 mini.
- The biggest single benchmark swing is Vibe Code Bench in Coding, with scores of 0.40% and 47.97%.
- GPT-5.4 mini is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 2.5 Pro also has the larger context window at 1M.

## Model Snapshot

| Property | Gemini 2.5 Pro | GPT-5.4 mini |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 400K |
| Overall Score | 57.12 | 61.11 |
| Benchmarks Covered | 7 | 19 |
| Pricing (input/output) | $1.25 / $10.00 | $0.75 / $4.50 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Gemini 2.5 Pro public-lane score: 47.7 (Estimated · #68/152)
- GPT-5.4 mini public-lane score: 39.1 (Estimated · #119/152)

| Benchmark | Gemini 2.5 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 42.01% | 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: GPT-5.4 mini
- Gemini 2.5 Pro public-lane score: 31.7 (Supported · #134/151)
- GPT-5.4 mini public-lane score: 42.7 (Supported · #104/151)

| Benchmark | Gemini 2.5 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 63.8% | Coming soon | Coming soon |
| Vibe Code Bench | 0.40% | 47.97% | GPT-5.4 mini |
| 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 |

### Multimodal & Grounded

- Winner: Coming soon
- Gemini 2.5 Pro public-lane score: 70.3 (Unranked · 1 rankable row)
- GPT-5.4 mini public-lane score: 57.2 (#31/48)

| Benchmark | Gemini 2.5 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 76.6% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 78% | Coming soon |

### Reasoning

- Winner: Coming soon
- Gemini 2.5 Pro public-lane score: 68.4 (Unranked · 2 rankable rows)
- GPT-5.4 mini public-lane score: 73.9 (Unranked · 2 rankable rows)

### Knowledge

- Winner: GPT-5.4 mini
- Gemini 2.5 Pro public-lane score: 50.6 (Supported · #76/183)
- GPT-5.4 mini public-lane score: 55.6 (Supported · #52/183)

| Benchmark | Gemini 2.5 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 83% | 88% | GPT-5.4 mini |
| HLE | 18.8% | 41.5% | GPT-5.4 mini |
| 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: Coming soon
- Gemini 2.5 Pro public-lane score: 57.9 (#74/123)
- GPT-5.4 mini public-lane score: 89.8 (#23/123)

### Mathematics

- Winner: Coming soon
- Gemini 2.5 Pro public-lane score: 35.2 (Unranked · 2 rankable rows)
- GPT-5.4 mini public-lane score: 44.5 (Unranked · 2 rankable rows)

| Benchmark | Gemini 2.5 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 14.138% | 28.280% | GPT-5.4 mini |
| FrontierMath v2 (Tier 4) | 4.167% | 2.080% | Gemini 2.5 Pro |

## FAQ

### Which is better overall, Gemini 2.5 Pro or GPT-5.4 mini?

GPT-5.4 mini is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemini 2.5 Pro and GPT-5.4 mini?

The widest category gap is in instruction following, where the averages are 57.9 for Gemini 2.5 Pro and 89.8 for GPT-5.4 mini.

### How many benchmarks does Gemini 2.5 Pro cover on BenchLM?

Gemini 2.5 Pro currently has 7 sourced benchmark scores on BenchLM.

### How many benchmarks does GPT-5.4 mini cover on BenchLM?

GPT-5.4 mini currently has 19 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 2.5 Pro vs GPT-5.4](/compare/gemini-2-5-pro-vs-gpt-5-4)
- [GPT-5.4 mini vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-mini)
- [Gemini 2.5 Pro vs GPT-5.4 Pro](/compare/gemini-2-5-pro-vs-gpt-5-4-pro)
- [GPT-5.4 mini vs GPT-5.4 Pro](/compare/gpt-5-4-mini-vs-gpt-5-4-pro)

## Explore More

- [Gemini 2.5 Pro profile](/models/gemini-2-5-pro)
- [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)