Noometry

Model comparison

Claude Sonnet 5 vs Gemini Robotics-ER 1.6

Claude Sonnet 5 has enough public results to be ranked (#26); Gemini Robotics-ER 1.6 does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Claude Sonnet 5 Anthropic

54.5

Rank #26 Confirmed

Gemini Robotics-ER 1.6 Google

32.8

Unranked Sparse

Summary

  • They share 1 benchmark with published results for both. Claude Sonnet 5 scores higher in 1 category and Gemini Robotics-ER 1.6 in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in multimodal, where Claude Sonnet 5 leads 42.4 to 27.0.
  • The biggest single-benchmark swing is Blueprint-Bench 2: 24.9% for Claude Sonnet 5 and 0% for Gemini Robotics-ER 1.6.

Side by side

Claude Sonnet 5Gemini Robotics-ER 1.6
ProviderAnthropicGoogle
Noometry Index54.532.8
Released2026-06-292026-04-14
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked511

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Category by category

Coding Not comparable

Claude Sonnet 5: 55.5 (#20), Gemini Robotics-ER 1.6: —

BenchmarkClaude Sonnet 5Gemini Robotics-ER 1.6
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1540—
SciCode53.6%—
GSO37.3%—
WeirdML68.8%—
LMArena Coding1483—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.7 (#16), Gemini Robotics-ER 1.6: —

BenchmarkClaude Sonnet 5Gemini Robotics-ER 1.6
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Not comparable

Claude Sonnet 5: 48.2 (#37), Gemini Robotics-ER 1.6: —

BenchmarkClaude Sonnet 5Gemini Robotics-ER 1.6
SimpleBench60.6%—
NYT Connections (extended)75.1%—
CritPt16.9%—
Chess Puzzles35%—
LMArena Hard Prompts1461—
Mystery Game Puzzles35%—
DTBench92.5%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
Epoch Capabilities Index156.34—
ForecastBench61.1—

Math Not comparable

Claude Sonnet 5: 66.1 (#21), Gemini Robotics-ER 1.6: —

BenchmarkClaude Sonnet 5Gemini Robotics-ER 1.6
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—
LMArena Math1467—

Knowledge Not comparable

Claude Sonnet 5: 55.7 (#42), Gemini Robotics-ER 1.6: —

BenchmarkClaude Sonnet 5Gemini Robotics-ER 1.6
GPQA Diamond90.5%—
SimpleQA Verified33.7%—
LMArena Expert1491—

Multimodal Claude Sonnet 5 leads

Claude Sonnet 5: 42.4 (#26), Gemini Robotics-ER 1.6: 27.0

BenchmarkClaude Sonnet 5Gemini Robotics-ER 1.6
Blueprint-Bench 224.9%0%
LMArena Vision1275—
LMArena Document1466—

Multilingual Not comparable

Claude Sonnet 5: 54.0 (#55), Gemini Robotics-ER 1.6: —

BenchmarkClaude Sonnet 5Gemini Robotics-ER 1.6
LMArena Non-English1431—
LMArena Chinese1475—
LMArena French1457—
LMArena German1448—
LMArena Japanese1422—
LMArena Korean1411—
LMArena Russian1452—
LMArena Spanish1436—

Instruction Following Not comparable

Claude Sonnet 5: 76.6 (#39), Gemini Robotics-ER 1.6: —

BenchmarkClaude Sonnet 5Gemini Robotics-ER 1.6
LMArena Instruction Following1453—

Long Context Not comparable

Claude Sonnet 5: 44.8 (#53), Gemini Robotics-ER 1.6: —

BenchmarkClaude Sonnet 5Gemini Robotics-ER 1.6
LMArena Longer Query1464—

Writing & Preference Not comparable

Claude Sonnet 5: 69.4 (#24), Gemini Robotics-ER 1.6: —

BenchmarkClaude Sonnet 5Gemini Robotics-ER 1.6
LMArena Text1443—
LMArena Creative Writing1416—
EQ-Bench Creative Writing1794—
EQ-Bench 41236—
LMArena Multi-Turn1454—

Frequently asked questions

Is Claude Sonnet 5 better than Gemini Robotics-ER 1.6?

Claude Sonnet 5 has enough public results to be ranked (#26); Gemini Robotics-ER 1.6 does not yet, so treat this comparison as directional.

How many benchmarks do Claude Sonnet 5 and Gemini Robotics-ER 1.6 share?

1 benchmark has published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Gemini Robotics-ER 1.6 has 1.

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