The Model Index
Up to four models

Gemini 4 Argon vs Claude Haiku 5.5

On the index (GPT-4 = 100), Gemini 4 Argon scores 195 and Claude Haiku 5.5 174. Side by side on the same third-party tests, with price and context. The link in your address bar shares this exact comparison.

Next to Gemini 4 Argon
Presets
Gemini 4 Argon
195179–212
WeightsClosed
ReleasedSep 2026
Price in / out$2.0 / $10
Context1.05M
Core tests taken6 of 9
Claude Haiku 5.5
174158–191
WeightsClosed
ReleasedOct 2026
Price in / out$0.10 / $0.50
Context1M
Core tests taken7 of 9

Gemini 4 Argon leads Claude Haiku 5.5 by 21 points, ahead on 6 of 6 shared core tests, at 20× the price.

Test by testthird-party results

Gemini 4 ArgonClaude Haiku 5.5
0%25%50%75%100%REASONING & KNOWLEDGEGPQA Diamond (Epoch AI)GPQA Diamond (Epoch AI)EBR-benchEBR-benchSimpleQA VerifiedSimpleQA VerifiedMATHSFrontierMath (tiers 1-3)FrontierMath (tiers 1-3)AIME-style maths (OTIS mock)AIME-style maths (OTIS mock)ProofBench v1.1ProofBench v1.1Chess puzzlesChess puzzlesFrontierMath (tier 4)FrontierMath (tier 4)CODINGTerminal-Bench 4.0Terminal-Bench 4.0Code MigrationCode MigrationCyberBench v1.1CyberBench v1.1IOIIOIProgramBenchProgramBenchVibe Code Bench 1-100Vibe Code Bench 1-100Vibe Code Bench v1.1Vibe Code Bench v1.1FrontierSWEFrontierSWEAGENTSAPEX-AgentsAPEX-AgentsBioMysteryBenchBioMysteryBenchSRE BenchSRE BenchTerminal-Bench-ScienceTerminal-Bench-ScienceDTBenchDTBenchFurniture assemblyFurniture assemblyLMCALMCAMystery game puzzlesMystery game puzzlesPROFESSIONAL WORKFinance Agent (v2)Finance Agent (v2)EMBEMBHLAB-Vals-1.1HLAB-Vals-1.1Legal Research BenchLegal Research BenchMedCodeMedCodeMedScribeMedScribePublic Benefits Bench v1.1Public Benefits Bench v1.1SAGESAGETax Agent BenchTax Agent BenchNOVEL PROBLEMSARC-AGI-2ARC-AGI-2ARC-AGI-1ARC-AGI-1ARC-AGI-3ARC-AGI-3MysteryMechanismMysteryMechanism
Every result as a table
TestGemini 4 ArgonClaude Haiku 5.5
Reasoning & knowledge
GPQA Diamond (Epoch AI)96.4%89.6%
EBR-bench64.8%43.8%
SimpleQA Verified76.0%23.8%
Maths
FrontierMath (tiers 1-3)86.0%75.1%
AIME-style maths (OTIS mock)100.0%98.9%
ProofBench v1.199.0%89.0%
Chess puzzles59.0%55.0%
FrontierMath (tier 4)78.0%46.3%
Coding
Terminal-Bench 4.057.6%36.4%
Code Migration68.2%44.6%
CyberBench v1.177.9%75.5%
IOI100.0%47.3%
ProgramBench2.5%2.5%
Vibe Code Bench 1-10021.2%20.4%
Vibe Code Bench v1.191.9%90.4%
FrontierSWE55.0%43.8%
Agents
APEX-Agents82.4%56.1%
BioMysteryBench76.3%70.4%
SRE Bench44.3%5.7%
Terminal-Bench-Science44.3%10.0%
DTBench97.6%95.0%
Furniture assembly72.5%47.5%
LMCA63.7%51.1%
Mystery game puzzles64.0%30.0%
Professional work
Finance Agent (v2)65.4%54.1%
EMB75.2%59.0%
HLAB-Vals-1.127.1%4.2%
Legal Research Bench54.8%43.8%
MedCode58.8%51.5%
MedScribe87.4%89.5%
Public Benefits Bench v1.169.8%63.2%
SAGE53.6%45.8%
Tax Agent Bench44.6%31.9%
Novel problems
ARC-AGI-291.3%61.3%
ARC-AGI-198.5%89.0%
ARC-AGI-349.8%0.5%
MysteryMechanism45.5%35.1%

Tests at least two of these models have taken. Bold rows are the core tests.

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