# Gemini 2.5 Flash-Lite vs GPT-4.1

> Gemini 2.5 Flash-Lite and GPT-4.1 score almost the same on the Noometry Index (36.4 vs 35.7), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gemini-2-5-flash-lite-vs-gpt-4-1
- Last updated: 2026-10-10
- Shared benchmarks: 32

## Summary

- They share 32 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 3 categories and GPT-4.1 in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 2.5 Flash-Lite leads 35.5 to 21.4.
- The biggest single-benchmark swing is GPQA (HELM): 30.9% for Gemini 2.5 Flash-Lite and 65.9% for GPT-4.1.
- Gemini 2.5 Flash-Lite is cheaper at $0.10 / $0.40 per million input/output tokens, against $2 / $8 for GPT-4.1.
- Gemini 2.5 Flash-Lite accepts more context: 1.05M tokens versus 1.05M.

## Snapshot

| | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 36.4 | 35.7 |
| Rank | 208 | 215 |
| Context | 1.05M | 1.05M |
| Input $/M | $0.10 | $2 |
| Output $/M | $0.40 | $8 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.5 Flash-Lite: 38.0 (#167)
- GPT-4.1: 34.2 (#228)

| Benchmark | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| WeirdML | 35.2% | 39% |
| LMArena Coding | 1373 | 1391 |
| ALE-Bench | 325.9 | 558.1 |
| SWE-bench Verified | — | 48.5% |
| SWE-bench Verified (bash only) | — | 39.6% |
| Aider Polyglot | — | 52.4% |
| CadEval | — | 42% |

## Agentic & Tool Use

- Gemini 2.5 Flash-Lite: 27.8 (#89)
- GPT-4.1: 34.4 (#40)

| Benchmark | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 36.9% | 54% |

## Reasoning

- Gemini 2.5 Flash-Lite: 21.5 (#196)
- GPT-4.1: 11.7 (#334)

| Benchmark | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| Kagi LLM Benchmark | 40.5% | 52.3% |
| LMArena Hard Prompts | 1377 | 1384 |
| DTBench | 62.8% | 68.3% |
| LMCA | 18.1% | 25.6% |
| Epoch Capabilities Index | 133.93 | 136.79 |
| ARC-AGI-2 | — | 0.4% |
| SimpleBench | — | 27% |
| ARC-AGI-1 | — | 5.5% |
| Chess Puzzles | — | 6% |
| EnigmaEval | — | 2.2% |
| ForecastBench | — | 61.5 |

## Math

- Gemini 2.5 Flash-Lite: 35.5 (#144)
- GPT-4.1: 21.4 (#269)

| Benchmark | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| Omni-MATH | 48% | 47.1% |
| LMArena Math | 1373 | 1369 |
| FrontierMath (Tiers 1-3) | — | 6% |
| OTIS Mock AIME 2024-2025 | — | 38.3% |
| MATH Level 5 | — | 83% |
| FrontierMath (Feb 2025 set) | — | 5.5% |
| FrontierMath Tier 4 (v1) | — | 0% |

## Knowledge

- Gemini 2.5 Flash-Lite: 32.1 (#206)
- GPT-4.1: 37.0 (#152)

| Benchmark | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| MMLU-Pro | 53.7% | 81.1% |
| Vectara Hallucination Rate | 3.3% | 5.6% |
| GPQA (HELM) | 30.9% | 65.9% |
| LMArena Expert | 1373 | 1364 |
| GPQA Diamond | — | 66.9% |
| Humanity's Last Exam | — | 5.4% |
| SimpleQA Verified | — | 31.1% |

## Multimodal

- Gemini 2.5 Flash-Lite: 28.6 (#109)
- GPT-4.1: 37.5 (#66)

| Benchmark | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| LMArena Vision | 1198 | 1210 |
| GeoBench | — | 72% |
| VPCT | 30% | — |

## Multilingual

- Gemini 2.5 Flash-Lite: 49.5 (#129)
- GPT-4.1: 49.6 (#128)

| Benchmark | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| LMArena Non-English | 1369 | 1370 |
| LMArena Chinese | 1404 | 1382 |
| LMArena French | 1388 | 1383 |
| LMArena German | 1390 | 1380 |
| LMArena Japanese | 1359 | 1320 |
| LMArena Korean | 1358 | 1339 |
| LMArena Russian | 1373 | 1377 |
| LMArena Spanish | 1396 | 1375 |

## Instruction Following

- Gemini 2.5 Flash-Lite: 70.2 (#163)
- GPT-4.1: 71.5 (#148)

| Benchmark | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| IFEval | 81% | 83.8% |
| LMArena Instruction Following | 1366 | 1367 |

## Long Context

- Gemini 2.5 Flash-Lite: 33.3 (#257)
- GPT-4.1: 40.0 (#158)

| Benchmark | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| Fiction.LiveBench | 47.2% | 63.9% |
| LMArena Longer Query | 1373 | 1385 |

## Writing & Preference

- Gemini 2.5 Flash-Lite: 57.0 (#130)
- GPT-4.1: 57.8 (#120)

| Benchmark | Gemini 2.5 Flash-Lite | GPT-4.1 |
|---|---|---|
| LMArena Text | 1379 | 1383 |
| LMArena Creative Writing | 1366 | 1363 |
| WildBench | 81.8% | 85.4% |
| LMArena Multi-Turn | 1367 | 1398 |
| EQ-Bench Creative Writing | — | 1420 |

## FAQ

### Is Gemini 2.5 Flash-Lite better than GPT-4.1?

Gemini 2.5 Flash-Lite and GPT-4.1 score almost the same on the Noometry Index (36.4 vs 35.7), so choose on price, context window or the category you care about most.

### Which is cheaper, Gemini 2.5 Flash-Lite or GPT-4.1?

Gemini 2.5 Flash-Lite is cheaper. It lists at $0.10 per million input tokens and $0.40 per million output tokens; GPT-4.1 lists at $2 and $8.

### Is Gemini 2.5 Flash-Lite or GPT-4.1 better for coding?

Gemini 2.5 Flash-Lite scores higher on coding benchmarks: 38.0 versus 34.2 in the Noometry coding category.

### Which has the bigger context window?

Gemini 2.5 Flash-Lite does, with 1.05M tokens against 1.05M.

### How many benchmarks do Gemini 2.5 Flash-Lite and GPT-4.1 share?

32 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and GPT-4.1 has 52.