Model comparison

GPT-5.6 Terra vs Ring-2.6-1T

GPT-5.6 Terra has enough public results to be ranked (#17); Ring-2.6-1T does not yet, so treat this comparison as directional.

Last verified . 3 shared benchmarks.

GPT-5.6 Terra OpenAI

59.2

Rank #17 Confirmed

Summary

  • They share 3 benchmarks with published results for both. GPT-5.6 Terra 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 GPT-5.6 Terra leads 60.7 to 26.1.
  • The biggest single-benchmark swing is CritPt: 30% for GPT-5.6 Terra and 3.7% for Ring-2.6-1T.
  • Ring-2.6-1T has downloadable open weights; the other is API-only.

Side by side

GPT-5.6 Terra and Ring-2.6-1T specifications
GPT-5.6 TerraRing-2.6-1T
ProviderOpenAIAnt Group (inclusionAI)
Noometry Index59.236.9
Released2026-07-092026-05-14
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$12—
Results tracked523

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Category by category

Coding GPT-5.6 Terra leads

GPT-5.6 Terra: 57.7 (#19), Ring-2.6-1T: 40.7

Coding benchmarks
BenchmarkGPT-5.6 TerraRing-2.6-1T
SciCode55%42.4%
ALE-Bench1,951432.57
DeepSWE69.6%—
FrontierCode41.3%—
CursorBench41.3%—
LMArena WebDev1522—
WeirdML78.3%—
LMArena Coding1484—

Agentic & Tool Use Not comparable

GPT-5.6 Terra: 40.1 (#25), Ring-2.6-1T: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.6 TerraRing-2.6-1T
APEX-Agents58.2%—
BALROG53.2%—
GDP.pdf24.7%—
Vending-Bench 27,343—

Reasoning GPT-5.6 Terra leads

GPT-5.6 Terra: 60.7 (#21), Ring-2.6-1T: 26.1

Reasoning benchmarks
BenchmarkGPT-5.6 TerraRing-2.6-1T
CritPt30%3.7%
ARC-AGI-283.9%—
SimpleBench48.9%—
Kagi LLM Benchmark51.3%—
NYT Connections (extended)78.4%—
ARC-AGI-196.5%—
Chess Puzzles54%—
LMArena Hard Prompts1468—
Mystery Game Puzzles35%—
DTBench93.3%—
LMCA55%—
Surface Evolver Bench83.8%—
Epoch Capabilities Index159.62—

Math Not comparable

GPT-5.6 Terra: 81.6 (#12), Ring-2.6-1T: —

Math benchmarks
BenchmarkGPT-5.6 TerraRing-2.6-1T
FrontierMath (Tiers 1-3)86%—
FrontierMath Tier 470.7%—
OTIS Mock AIME 2024-202599.7%—
ProofBench74%—
LMArena Math1466—

Knowledge Not comparable

GPT-5.6 Terra: 61.2 (#30), Ring-2.6-1T: —

Knowledge benchmarks
BenchmarkGPT-5.6 TerraRing-2.6-1T
GPQA Diamond93.3%—
SimpleQA Verified43.2%—
LMArena Expert1492—

Multimodal Not comparable

GPT-5.6 Terra: 47.3 (#11), Ring-2.6-1T: —

Multimodal benchmarks
BenchmarkGPT-5.6 TerraRing-2.6-1T
LMArena Vision1271—
Blueprint-Bench 230.8%—
Furniture Assembly54.2%—
LMArena Document1472—

Multilingual Not comparable

GPT-5.6 Terra: 54.4 (#44), Ring-2.6-1T: —

Multilingual benchmarks
BenchmarkGPT-5.6 TerraRing-2.6-1T
LMArena Non-English1439—
LMArena Chinese1513—
LMArena French1471—
LMArena German1460—
LMArena Japanese1457—
LMArena Korean1425—
LMArena Russian1450—
LMArena Spanish1448—

Instruction Following Not comparable

GPT-5.6 Terra: 76.4 (#40), Ring-2.6-1T: —

Instruction Following benchmarks
BenchmarkGPT-5.6 TerraRing-2.6-1T
LMArena Instruction Following1454—

Long Context Not comparable

GPT-5.6 Terra: 44.4 (#68), Ring-2.6-1T: —

Long Context benchmarks
BenchmarkGPT-5.6 TerraRing-2.6-1T
LMArena Longer Query1451—

Writing & Preference Not comparable

GPT-5.6 Terra: 70.2 (#23), Ring-2.6-1T: —

Writing & Preference benchmarks
BenchmarkGPT-5.6 TerraRing-2.6-1T
LMArena Text1447—
LMArena Creative Writing1410—
EQ-Bench Creative Writing1855—
EQ-Bench 41234—
LMArena Multi-Turn1449—

Frequently asked questions

Is GPT-5.6 Terra better than Ring-2.6-1T?

GPT-5.6 Terra has enough public results to be ranked (#17); Ring-2.6-1T does not yet, so treat this comparison as directional.

Is GPT-5.6 Terra or Ring-2.6-1T better for coding?

GPT-5.6 Terra scores higher on coding benchmarks: 57.7 versus 40.7 in the Noometry coding category.

How many benchmarks do GPT-5.6 Terra and Ring-2.6-1T share?

3 benchmarks have published results for both models. GPT-5.6 Terra has 52 scored results on Noometry and Ring-2.6-1T has 3.

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