Model comparison

Claude Mythos Preview vs Gemini 4 Argon

Gemini 4 Argon has enough public results to be ranked (#24); Claude Mythos Preview does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

Claude Mythos Preview Anthropic

41.2

Unranked Sparse

Gemini 4 Argon Google

56.5

Rank #24 Confirmed

Summary

  • The widest gap is in agentic & tool use, where Gemini 4 Argon leads 49.2 to 41.4.

Side by side

Claude Mythos Preview and Gemini 4 Argon specifications
Claude Mythos PreviewGemini 4 Argon
ProviderAnthropicGoogle
Noometry Index41.256.5
Released2026-04-072026-09-30
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked221

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Category by category

Coding Not comparable

Claude Mythos Preview: —, Gemini 4 Argon: 62.0 (#9)

Coding benchmarks
BenchmarkClaude Mythos PreviewGemini 4 Argon
LMArena WebDev—1678
FrontierSWE—55%
SciCode—61.8%
LMArena Coding—1550

Agentic & Tool Use Gemini 4 Argon leads

Claude Mythos Preview: 41.4, Gemini 4 Argon: 49.2 (#8)

Agentic & Tool Use benchmarks
BenchmarkClaude Mythos PreviewGemini 4 Argon
APEX-Agents—82.2%
ExploitBench73.8%—
METR Time Horizons85.2%—
Vending-Bench 2—13,718

Reasoning Not comparable

Claude Mythos Preview: —, Gemini 4 Argon: 44.2 (#47)

Reasoning benchmarks
BenchmarkClaude Mythos PreviewGemini 4 Argon
CritPt—27.1%
LMArena Hard Prompts—1548

Math Not comparable

Claude Mythos Preview: —, Gemini 4 Argon: 73.9 (#17)

Math benchmarks
BenchmarkClaude Mythos PreviewGemini 4 Argon
ProofBench—99%
LMArena Math—1536

Knowledge Not comparable

Claude Mythos Preview: —, Gemini 4 Argon: 43.9 (#89)

Knowledge benchmarks
BenchmarkClaude Mythos PreviewGemini 4 Argon
LMArena Expert—1553

Multimodal Not comparable

Claude Mythos Preview: —, Gemini 4 Argon: 46.5 (#14)

Multimodal benchmarks
BenchmarkClaude Mythos PreviewGemini 4 Argon
Blueprint-Bench 2—54.4%

Multilingual Not comparable

Claude Mythos Preview: —, Gemini 4 Argon: 60.3 (#1)

Multilingual benchmarks
BenchmarkClaude Mythos PreviewGemini 4 Argon
LMArena Non-English—1523
LMArena Chinese—1610
LMArena Russian—1537
LMArena Spanish—1497

Instruction Following Not comparable

Claude Mythos Preview: —, Gemini 4 Argon: 80.1 (#2)

Instruction Following benchmarks
BenchmarkClaude Mythos PreviewGemini 4 Argon
LMArena Instruction Following—1538

Long Context Not comparable

Claude Mythos Preview: —, Gemini 4 Argon: 47.6 (#15)

Long Context benchmarks
BenchmarkClaude Mythos PreviewGemini 4 Argon
LMArena Longer Query—1549

Writing & Preference Not comparable

Claude Mythos Preview: —, Gemini 4 Argon: 71.4 (#19)

Writing & Preference benchmarks
BenchmarkClaude Mythos PreviewGemini 4 Argon
LMArena Text—1534
LMArena Creative Writing—1531
LMArena Multi-Turn—1557

Frequently asked questions

Is Claude Mythos Preview better than Gemini 4 Argon?

Gemini 4 Argon has enough public results to be ranked (#24); Claude Mythos Preview does not yet, so treat this comparison as directional.

How many benchmarks do Claude Mythos Preview and Gemini 4 Argon share?

0 benchmarks have published results for both models. Claude Mythos Preview has 2 scored results on Noometry and Gemini 4 Argon has 21.

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