Model comparison

Gemini 2.0 Flash-Lite vs GPT-5

GPT-5 is the stronger model overall, scoring 50.9 to 37.8 on the Noometry Index.

Last verified . 25 shared benchmarks.

Gemini 2.0 Flash-Lite Google

37.8

Rank #194 Confirmed

GPT-5 OpenAI

50.9

Rank #45 Confirmed

Summary

  • They share 25 benchmarks with published results for both. Gemini 2.0 Flash-Lite scores higher in 0 categories and GPT-5 in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in long context, where GPT-5 leads 69.5 to 40.1.
  • The biggest single-benchmark swing is DTBench: 52.5% for Gemini 2.0 Flash-Lite and 90.7% for GPT-5.

Side by side

Gemini 2.0 Flash-Lite and GPT-5 specifications
Gemini 2.0 Flash-LiteGPT-5
ProviderGoogleOpenAI
Noometry Index37.850.9
Released2025-02-052025-08-07
WeightsProprietaryProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$1.25
Output $ / M tokens—$10
Results tracked3269

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Category by category

Coding GPT-5 leads

Gemini 2.0 Flash-Lite: 37.9 (#185), GPT-5: 50.3 (#47)

Coding benchmarks
BenchmarkGemini 2.0 Flash-LiteGPT-5
LMArena Coding13221436
SWE-bench Verified—73.6%
SWE-bench Verified (bash only)—65%
Aider Polyglot—88%
LMArena WebDev—1418
SciCode—42.9%
GSO—6.9%
WeirdML—60.7%
LiveBench Coding47.1%—
ALE-Bench—1,162
AlgoTune—1.67

Agentic & Tool Use Not comparable

Gemini 2.0 Flash-Lite: —, GPT-5: 33.1 (#56)

Agentic & Tool Use benchmarks
BenchmarkGemini 2.0 Flash-LiteGPT-5
Terminal-Bench—49.6%
GDPval—34.8%
Remote Labor Index—1.7%
DeepResearch Bench—49.6%
BALROG—32.8%
LMArena Search—1133
METR Time Horizons—69.6%

Reasoning GPT-5 leads

Gemini 2.0 Flash-Lite: 22.0 (#210), GPT-5: 38.3 (#64)

Reasoning benchmarks
BenchmarkGemini 2.0 Flash-LiteGPT-5
LMArena Hard Prompts13241416
DTBench52.5%90.7%
ForecastBench57.161.4
ARC-AGI-2—9.9%
SimpleBench—56.7%
Kagi LLM Benchmark—72.7%
ARC-AGI-1—65.7%
CritPt—12.6%
Chess Puzzles—37%
EnigmaEval—10.5%
EBR-Bench—12.7%
LiveBench Reasoning50.1%—
Mystery Game Puzzles—23%
LiveBench Data Analysis65.5%—
LMCA—40%
Epoch Capabilities Index—150
LiveBench54.3%—

Math GPT-5 leads

Gemini 2.0 Flash-Lite: 34.1 (#196), GPT-5: 55.0 (#44)

Math benchmarks
BenchmarkGemini 2.0 Flash-LiteGPT-5
Omni-MATH37.4%64.7%
LMArena Math13091407
FrontierMath (Tiers 1-3)—55.4%
FrontierMath Tier 4—22%
OTIS Mock AIME 2024-2025—91.4%
ProofBench—18%
LiveBench Math58.1%—
MATH Level 5—98.1%
FrontierMath (Feb 2025 set)—32.4%
FrontierMath Tier 4 (v1)—12.5%

Knowledge GPT-5 leads

Gemini 2.0 Flash-Lite: 35.0 (#189), GPT-5: 56.6 (#43)

Knowledge benchmarks
BenchmarkGemini 2.0 Flash-LiteGPT-5
MMLU-Pro72%86.3%
GPQA (HELM)50%79.2%
LMArena Expert13051419
GPQA Diamond—86.2%
Humanity's Last Exam—25.3%
SimpleQA Verified—50.1%
Confabulations—10.3%
Vectara Hallucination Rate—14.7%

Multimodal GPT-5 leads

Gemini 2.0 Flash-Lite: 31.2 (#109), GPT-5: 46.8 (#13)

Multimodal benchmarks
BenchmarkGemini 2.0 Flash-LiteGPT-5
LMArena Vision11001232
GeoBench—81%
VPCT—66%

Multilingual GPT-5 leads

Gemini 2.0 Flash-Lite: 46.0 (#161), GPT-5: 51.4 (#110)

Multilingual benchmarks
BenchmarkGemini 2.0 Flash-LiteGPT-5
LMArena Non-English13231397
LMArena Chinese13391422
LMArena French13471410
LMArena German13061416
LMArena Japanese13011409
LMArena Korean13251360
LMArena Russian13281406
LMArena Spanish13131399

Instruction Following GPT-5 leads

Gemini 2.0 Flash-Lite: 70.4 (#163), GPT-5: 73.8 (#113)

Instruction Following benchmarks
BenchmarkGemini 2.0 Flash-LiteGPT-5
IFEval82.4%87.5%
LMArena Instruction Following13051388
LiveBench Instruction Following78.3%—

Long Context GPT-5 leads

Gemini 2.0 Flash-Lite: 40.1 (#160), GPT-5: 69.5 (#2)

Long Context benchmarks
BenchmarkGemini 2.0 Flash-LiteGPT-5
LMArena Longer Query13201399
Fiction.LiveBench—97.2%

Writing & Preference GPT-5 leads

Gemini 2.0 Flash-Lite: 51.7 (#177), GPT-5: 63.4 (#65)

Writing & Preference benchmarks
BenchmarkGemini 2.0 Flash-LiteGPT-5
LMArena Text13301406
LMArena Creative Writing13191365
WildBench79%85.7%
LMArena Multi-Turn13071426
Short-Story Creative Writing—86%
EQ-Bench Creative Writing—1627
LiveBench Language34.3%—

Frequently asked questions

Is Gemini 2.0 Flash-Lite better than GPT-5?

GPT-5 is the stronger model overall, scoring 50.9 to 37.8 on the Noometry Index.

Is Gemini 2.0 Flash-Lite or GPT-5 better for coding?

GPT-5 scores higher on coding benchmarks: 50.3 versus 37.9 in the Noometry coding category.

How many benchmarks do Gemini 2.0 Flash-Lite and GPT-5 share?

25 benchmarks have published results for both models. Gemini 2.0 Flash-Lite has 32 scored results on Noometry and GPT-5 has 69.

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