Noometry

Model comparison

Claude Sonnet 5.5 vs Ring-2.6-1T

Claude Sonnet 5.5 has enough public results to be ranked (#10); Ring-2.6-1T does not yet, so treat this comparison as directional.

Last verified . 3 shared benchmarks.

Claude Sonnet 5.5 Anthropic

61.9

Rank #10 Confirmed

Ring-2.6-1T Ant Group (inclusionAI)

36.9

Unranked Sparse

Summary

  • They share 3 benchmarks with published results for both. Claude Sonnet 5.5 scores higher in 2 categories and Ring-2.6-1T in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Sonnet 5.5 leads 54.0 to 26.1.
  • The biggest single-benchmark swing is CritPt: 31.4% for Claude Sonnet 5.5 and 3.7% for Ring-2.6-1T.
  • Ring-2.6-1T has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5.5Ring-2.6-1T
ProviderAnthropicAnt Group (inclusionAI)
Noometry Index61.936.9
Released2026-09-282026-05-14
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked323

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Category by category

Coding Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 67.3 (#6), Ring-2.6-1T: 40.7

BenchmarkClaude Sonnet 5.5Ring-2.6-1T
SciCode61%42.4%
ALE-Bench1,819432.57
FrontierCode52.1%—
CursorBench55.5%—
LMArena WebDev1774—
FrontierSWE61.9%—
LMArena Coding1513—

Agentic & Tool Use Not comparable

Claude Sonnet 5.5: 45.0 (#16), Ring-2.6-1T: —

BenchmarkClaude Sonnet 5.5Ring-2.6-1T
APEX-Agents75.5%—

Reasoning Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 54.0 (#28), Ring-2.6-1T: 26.1

BenchmarkClaude Sonnet 5.5Ring-2.6-1T
CritPt31.4%3.7%
NYT Connections (extended)80.5%—
LMArena Hard Prompts1495—
Mystery Game Puzzles65%—
Epoch Capabilities Index165.03—

Math Not comparable

Claude Sonnet 5.5: 87.9 (#6), Ring-2.6-1T: —

BenchmarkClaude Sonnet 5.5Ring-2.6-1T
FrontierMath (Tiers 1-3)88.8%—
FrontierMath Tier 480.5%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
LMArena Math1510—
FrontierMath Erdős2.9%—

Knowledge Not comparable

Claude Sonnet 5.5: 66.0 (#12), Ring-2.6-1T: —

BenchmarkClaude Sonnet 5.5Ring-2.6-1T
GPQA Diamond95.6%—
SimpleQA Verified46.5%—
LMArena Expert1540—

Multimodal Not comparable

Claude Sonnet 5.5: 51.5 (#6), Ring-2.6-1T: —

BenchmarkClaude Sonnet 5.5Ring-2.6-1T
LMArena Vision1289—
Furniture Assembly75%—

Multilingual Not comparable

Claude Sonnet 5.5: 55.3 (#30), Ring-2.6-1T: —

BenchmarkClaude Sonnet 5.5Ring-2.6-1T
LMArena Non-English1452—
LMArena Chinese1522—
LMArena Russian1451—

Instruction Following Not comparable

Claude Sonnet 5.5: 78.3 (#11), Ring-2.6-1T: —

BenchmarkClaude Sonnet 5.5Ring-2.6-1T
LMArena Instruction Following1495—

Long Context Not comparable

Claude Sonnet 5.5: 45.9 (#28), Ring-2.6-1T: —

BenchmarkClaude Sonnet 5.5Ring-2.6-1T
LMArena Longer Query1498—

Writing & Preference Not comparable

Claude Sonnet 5.5: 66.0 (#40), Ring-2.6-1T: —

BenchmarkClaude Sonnet 5.5Ring-2.6-1T
LMArena Text1471—
LMArena Creative Writing1465—
LMArena Multi-Turn1474—

Frequently asked questions

Is Claude Sonnet 5.5 better than Ring-2.6-1T?

Claude Sonnet 5.5 has enough public results to be ranked (#10); Ring-2.6-1T does not yet, so treat this comparison as directional.

Is Claude Sonnet 5.5 or Ring-2.6-1T better for coding?

Claude Sonnet 5.5 scores higher on coding benchmarks: 67.3 versus 40.7 in the Noometry coding category.

How many benchmarks do Claude Sonnet 5.5 and Ring-2.6-1T share?

3 benchmarks have published results for both models. Claude Sonnet 5.5 has 32 scored results on Noometry and Ring-2.6-1T has 3.

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