Noometry

Model comparison

Claude Sonnet 5.5 vs Eurus-2-7B-PRIME

Claude Sonnet 5.5 has enough public results to be ranked (#10); Eurus-2-7B-PRIME does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Claude Sonnet 5.5 Anthropic

61.9

Rank #10 Confirmed

Eurus-2-7B-PRIME Shanghai AI Lab

26.7

Unranked Sparse

Summary

  • They share 1 benchmark with published results for both. Claude Sonnet 5.5 scores higher in 1 category and Eurus-2-7B-PRIME in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in knowledge, where Claude Sonnet 5.5 leads 66.0 to 16.3.
  • The biggest single-benchmark swing is GPQA Diamond: 95.6% for Claude Sonnet 5.5 and 33.9% for Eurus-2-7B-PRIME.
  • Eurus-2-7B-PRIME has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5.5Eurus-2-7B-PRIME
ProviderAnthropicShanghai AI Lab
Noometry Index61.926.7
Released2026-09-282024-12-31
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked321

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Category by category

Coding Not comparable

Claude Sonnet 5.5: 67.3 (#6), Eurus-2-7B-PRIME: —

BenchmarkClaude Sonnet 5.5Eurus-2-7B-PRIME
FrontierCode52.1%—
CursorBench55.5%—
LMArena WebDev1774—
FrontierSWE61.9%—
SciCode61%—
LMArena Coding1513—
ALE-Bench1,819—

Agentic & Tool Use Not comparable

Claude Sonnet 5.5: 45.0 (#16), Eurus-2-7B-PRIME: —

BenchmarkClaude Sonnet 5.5Eurus-2-7B-PRIME
APEX-Agents75.5%—

Reasoning Not comparable

Claude Sonnet 5.5: 54.0 (#28), Eurus-2-7B-PRIME: —

BenchmarkClaude Sonnet 5.5Eurus-2-7B-PRIME
NYT Connections (extended)80.5%—
CritPt31.4%—
LMArena Hard Prompts1495—
Mystery Game Puzzles65%—
Epoch Capabilities Index165.03—

Math Not comparable

Claude Sonnet 5.5: 87.9 (#6), Eurus-2-7B-PRIME: —

BenchmarkClaude Sonnet 5.5Eurus-2-7B-PRIME
FrontierMath (Tiers 1-3)88.8%—
FrontierMath Tier 480.5%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
LMArena Math1510—
FrontierMath Erdős2.9%—

Knowledge Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 66.0 (#12), Eurus-2-7B-PRIME: 16.3

BenchmarkClaude Sonnet 5.5Eurus-2-7B-PRIME
GPQA Diamond95.6%33.9%
SimpleQA Verified46.5%—
LMArena Expert1540—

Multimodal Not comparable

Claude Sonnet 5.5: 51.5 (#6), Eurus-2-7B-PRIME: —

BenchmarkClaude Sonnet 5.5Eurus-2-7B-PRIME
LMArena Vision1289—
Furniture Assembly75%—

Multilingual Not comparable

Claude Sonnet 5.5: 55.3 (#30), Eurus-2-7B-PRIME: —

BenchmarkClaude Sonnet 5.5Eurus-2-7B-PRIME
LMArena Non-English1452—
LMArena Chinese1522—
LMArena Russian1451—

Instruction Following Not comparable

Claude Sonnet 5.5: 78.3 (#11), Eurus-2-7B-PRIME: —

BenchmarkClaude Sonnet 5.5Eurus-2-7B-PRIME
LMArena Instruction Following1495—

Long Context Not comparable

Claude Sonnet 5.5: 45.9 (#28), Eurus-2-7B-PRIME: —

BenchmarkClaude Sonnet 5.5Eurus-2-7B-PRIME
LMArena Longer Query1498—

Writing & Preference Not comparable

Claude Sonnet 5.5: 66.0 (#40), Eurus-2-7B-PRIME: —

BenchmarkClaude Sonnet 5.5Eurus-2-7B-PRIME
LMArena Text1471—
LMArena Creative Writing1465—
LMArena Multi-Turn1474—

Frequently asked questions

Is Claude Sonnet 5.5 better than Eurus-2-7B-PRIME?

Claude Sonnet 5.5 has enough public results to be ranked (#10); Eurus-2-7B-PRIME does not yet, so treat this comparison as directional.

How many benchmarks do Claude Sonnet 5.5 and Eurus-2-7B-PRIME share?

1 benchmark has published results for both models. Claude Sonnet 5.5 has 32 scored results on Noometry and Eurus-2-7B-PRIME has 1.

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