Model comparison

Claude Haiku 4.5 vs Gemini 3 Deep Think

Claude Haiku 4.5 has enough public results to be ranked (#165); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

Last verified . 3 shared benchmarks.

Claude Haiku 4.5 Anthropic

39.5

Rank #165 Confirmed

Gemini 3 Deep Think Google

58.3

Unranked Sparse

Summary

  • They share 3 benchmarks with published results for both. Claude Haiku 4.5 scores higher in 0 categories and Gemini 3 Deep Think in 1 category; one gap is clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3 Deep Think leads 70.2 to 15.1.
  • The biggest single-benchmark swing is ARC-AGI-2: 4% for Claude Haiku 4.5 and 84.6% for Gemini 3 Deep Think.

Side by side

Claude Haiku 4.5 and Gemini 3 Deep Think specifications
Claude Haiku 4.5Gemini 3 Deep Think
ProviderAnthropicGoogle
Noometry Index39.558.3
Released2025-10-152026-02-12
WeightsProprietaryProprietary
Context window200K—
Max output64K—
Input $ / M tokens$1—
Output $ / M tokens$5—
Results tracked533

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Category by category

Coding Not comparable

Claude Haiku 4.5: 44.0 (#78), Gemini 3 Deep Think: —

Coding benchmarks
BenchmarkClaude Haiku 4.5Gemini 3 Deep Think
SWE-bench Verified (bash only)66.6%—
LMArena WebDev1330—
SWE-bench Multilingual64.7%—
SciCode43.3%—
WeirdML45.4%—
LMArena Coding1453—
ALE-Bench653.48—

Agentic & Tool Use Not comparable

Claude Haiku 4.5: 33.6 (#52), Gemini 3 Deep Think: —

Agentic & Tool Use benchmarks
BenchmarkClaude Haiku 4.5Gemini 3 Deep Think
Terminal-Bench35.5%—
Berkeley Function Calling Leaderboard68.7%—
DeepResearch Bench45.5%—
BALROG31.2%—
ExploitBench13.7%—
Vending-Bench 2458.89—

Reasoning Gemini 3 Deep Think leads

Claude Haiku 4.5: 15.1 (#320), Gemini 3 Deep Think: 70.2 (#14)

Reasoning benchmarks
BenchmarkClaude Haiku 4.5Gemini 3 Deep Think
ARC-AGI-24%84.6%
ARC-AGI-147.7%96%
CritPt0%25.7%
NYT Connections (extended)14.3%—
Chess Puzzles8%—
LMArena Hard Prompts1420—
DTBench73.6%—
LMCA30.9%—
Epoch Capabilities Index142.41—
ForecastBench61.4—

Math Not comparable

Claude Haiku 4.5: 44.9 (#78), Gemini 3 Deep Think: —

Math benchmarks
BenchmarkClaude Haiku 4.5Gemini 3 Deep Think
OTIS Mock AIME 2024-202566.7%—
Omni-MATH56.1%—
LMArena Math1396—
MATH Level 596.4%—
FrontierMath (Feb 2025 set)5.9%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Not comparable

Claude Haiku 4.5: 37.7 (#153), Gemini 3 Deep Think: —

Knowledge benchmarks
BenchmarkClaude Haiku 4.5Gemini 3 Deep Think
GPQA Diamond71.2%—
SimpleQA Verified13.2%—
MMLU-Pro77.7%—
Vectara Hallucination Rate9.8%—
GPQA (HELM)60.5%—
LMArena Expert1442—

Multimodal Not comparable

Claude Haiku 4.5: 26.8 (#118), Gemini 3 Deep Think: —

Multimodal benchmarks
BenchmarkClaude Haiku 4.5Gemini 3 Deep Think
Blueprint-Bench 20%—
LMArena Document1420—

Multilingual Not comparable

Claude Haiku 4.5: 49.9 (#129), Gemini 3 Deep Think: —

Multilingual benchmarks
BenchmarkClaude Haiku 4.5Gemini 3 Deep Think
LMArena Non-English1377—
LMArena Chinese1417—
LMArena French1408—
LMArena German1375—
LMArena Japanese1339—
LMArena Korean1347—
LMArena Russian1381—
LMArena Spanish1420—

Instruction Following Not comparable

Claude Haiku 4.5: 71.4 (#149), Gemini 3 Deep Think: —

Instruction Following benchmarks
BenchmarkClaude Haiku 4.5Gemini 3 Deep Think
IFEval80.1%—
LMArena Instruction Following1414—

Long Context Not comparable

Claude Haiku 4.5: 43.6 (#92), Gemini 3 Deep Think: —

Long Context benchmarks
BenchmarkClaude Haiku 4.5Gemini 3 Deep Think
LMArena Longer Query1427—

Writing & Preference Not comparable

Claude Haiku 4.5: 57.9 (#123), Gemini 3 Deep Think: —

Writing & Preference benchmarks
BenchmarkClaude Haiku 4.5Gemini 3 Deep Think
LMArena Text1396—
LMArena Creative Writing1372—
WildBench83.9%—
EQ-Bench 41064—
LMArena Multi-Turn1409—

Frequently asked questions

Is Claude Haiku 4.5 better than Gemini 3 Deep Think?

Claude Haiku 4.5 has enough public results to be ranked (#165); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

How many benchmarks do Claude Haiku 4.5 and Gemini 3 Deep Think share?

3 benchmarks have published results for both models. Claude Haiku 4.5 has 53 scored results on Noometry and Gemini 3 Deep Think has 3.

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