# Gemini 3.1 Flash-Lite vs GPT-5.4

> Side-by-side benchmark comparison for Gemini 3.1 Flash-Lite and GPT-5.4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-1-flash-lite-vs-gpt-5-4
- Last updated: October 17, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

GPT-5.4 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- GPT-5.4 has the higher overall point estimate 66.7 to 46.96. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in mathematics, where the averages are 44 for Gemini 3.1 Flash-Lite and 82 for GPT-5.4.
- The biggest single benchmark swing is Vibe Code Bench in Coding, with scores of 0.00% and 67.42%.
- Gemini 3.1 Flash-Lite is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GPT-5.4 also has the larger context window at 1.05M.

## Model Snapshot

| Property | Gemini 3.1 Flash-Lite | GPT-5.4 |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 1.05M |
| Overall Score | 46.96 | 66.7 |
| Benchmarks Covered | 11 | 42 |
| Pricing (input/output) | $0.25 / $1.50 | $2.50 / $15.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Gemini 3.1 Flash-Lite public-lane score: 27.4 (Estimated · #100/128)
- GPT-5.4 public-lane score: 52.1 (Supported · #44/128)

| Benchmark | Gemini 3.1 Flash-Lite | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 38.46% | 64.89% | GPT-5.4 |
| Terminal-Bench 2.1 (Vals) | 34.1% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 75.1% | Coming soon |
| CyberGym | Coming soon | 79.0% | Coming soon |
| BrowseComp | Coming soon | 82.7% | Coming soon |
| OSWorld-Verified | Coming soon | 75% | Coming soon |
| MCP Atlas | Coming soon | 70.6% | Coming soon |
| Toolathlon | Coming soon | 54.6% | Coming soon |
| τ²-bench results | Coming soon | 98.9% | Coming soon |
| Claw-Eval | Coming soon | 60.3% | Coming soon |
| DeepSearchQA | Coming soon | 73.6% | Coming soon |
| ResearchClawBench | Coming soon | 15.3% | Coming soon |
| JobBench | Coming soon | 38.9% | Coming soon |
| ExploitGym | Coming soon | 6.0% | Coming soon |
| ApprenticeBench | Coming soon | 11% | Coming soon |
| MazeBench | Coming soon | 0% | Coming soon |

### Coding

- Winner: Directional only
- Gemini 3.1 Flash-Lite public-lane score: 27.2 (Estimated · #101/150)
- GPT-5.4 public-lane score: 47.7 (Supported · #48/150)

| Benchmark | Gemini 3.1 Flash-Lite | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 0.00% | 67.42% | GPT-5.4 |
| LiveCodeBench (Vals) | 80.1% | Coming soon | Coming soon |
| SWE-bench (Vals) | 62.8% | Coming soon | Coming soon |
| LiveCodeBench Pro | Coming soon | 87.5% | Coming soon |
| SWE-bench Pro | Coming soon | 57.7% | Coming soon |
| React Native Evals | Coming soon | 85.3% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 75.1% | Coming soon |
| PostTrainBench v1.1 | Coming soon | 19.0% | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemini 3.1 Flash-Lite public-lane score: Coming soon
- GPT-5.4 public-lane score: 64.2 (#23/28)

| Benchmark | Gemini 3.1 Flash-Lite | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| JevBench 1.4 | 14.26 | Coming soon | Coming soon |
| JevBench 1.5 | 19.58 | Coming soon | Coming soon |
| ARC-AGI-2 | Coming soon | 74.0% | Coming soon |
| ARC-AGI-3 | Coming soon | 0.2% | Coming soon |
| ARC-AGI-1 | Coming soon | 93.67% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Gemini 3.1 Flash-Lite public-lane score: 42 (Unranked · 1 rankable row)
- GPT-5.4 public-lane score: 73.1 (#30/54)

| Benchmark | Gemini 3.1 Flash-Lite | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 73.2% | 82.8% | GPT-5.4 |
| MMMU-Pro | Coming soon | 81.2% | Coming soon |
| OfficeQA Pro | Coming soon | 53.2% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 82.1% | Coming soon |
| ERQA | Coming soon | 65.4% | Coming soon |
| SimpleVQA | Coming soon | 61.1% | Coming soon |
| ScreenSpot Pro | Coming soon | 85.4% | Coming soon |
| ZeroBench | Coming soon | 41.0% | Coming soon |
| MedXpertQA (MM) | Coming soon | 77.1% | Coming soon |

### Knowledge

- Winner: Directional only
- Gemini 3.1 Flash-Lite public-lane score: 46.9 (Estimated · #89/184)
- GPT-5.4 public-lane score: 69.1 (Supported · #20/184)

| Benchmark | Gemini 3.1 Flash-Lite | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 81.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.2% | Coming soon | Coming soon |
| GPQA | Coming soon | 92.8% | Coming soon |
| HLE | Coming soon | 52.1% | Coming soon |
| HLE w/o tools | Coming soon | 39.8% | Coming soon |
| GPQA-D | Coming soon | 92.8% | Coming soon |
| HealthBench Hard | Coming soon | 40.1% | Coming soon |
| MedXpertQA (Text) | Coming soon | 59.6% | Coming soon |
| HealthBench Professional | Coming soon | 48.1% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Gemini 3.1 Flash-Lite public-lane score: Coming soon
- GPT-5.4 public-lane score: 90.7 (#23/148)

### Mathematics

- Winner: Not comparable
- Gemini 3.1 Flash-Lite public-lane score: 44 (Unranked · 1 rankable row)
- GPT-5.4 public-lane score: 82 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.1 Flash-Lite | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 27.719% | 78.596% | GPT-5.4 |
| FrontierMath v2 (Tier 4) | Coming soon | 49.000% | Coming soon |

## FAQ

### Which is better overall, Gemini 3.1 Flash-Lite or GPT-5.4?

GPT-5.4 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Gemini 3.1 Flash-Lite and GPT-5.4?

The widest category gap is in mathematics, where the averages are 44 for Gemini 3.1 Flash-Lite and 82 for GPT-5.4.

### How many benchmarks does Gemini 3.1 Flash-Lite cover on BenchLM?

Gemini 3.1 Flash-Lite currently has 11 sourced benchmark scores on BenchLM.

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

GPT-5.4 currently has 42 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.1 Flash-Lite vs GPT-5.4 Pro](/compare/gemini-3-1-flash-lite-vs-gpt-5-4-pro)
- [GPT-5.4 vs GPT-5.4 Pro](/compare/gpt-5-4-vs-gpt-5-4-pro)
- [Gemini 3.1 Flash-Lite vs GPT-5.4 mini](/compare/gemini-3-1-flash-lite-vs-gpt-5-4-mini)
- [GPT-5.4 vs GPT-5.4 mini](/compare/gpt-5-4-vs-gpt-5-4-mini)

## Explore More

- [Gemini 3.1 Flash-Lite profile](/models/gemini-3-1-flash-lite)
- [GPT-5.4 profile](/models/gpt-5-4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)