Model comparison

GPT-5.6 Terra vs Palm 2

GPT-5.6 Terra is the stronger model overall, scoring 59.2 to 30.0 on the Noometry Index.

Last verified . 10 shared benchmarks.

GPT-5.6 Terra OpenAI

59.2

Rank #17 Confirmed

Palm 2 Google

30.0

Rank #298 Confirmed

Summary

  • They share 10 benchmarks with published results for both. GPT-5.6 Terra scores higher in 7 categories and Palm 2 in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.6 Terra leads 81.6 to 30.8.

Side by side

GPT-5.6 Terra and Palm 2 specifications
GPT-5.6 TerraPalm 2
ProviderOpenAIGoogle
Noometry Index59.230.0
Released2026-07-09—
WeightsProprietaryProprietary
Context window1.05M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$12—
Results tracked5210

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Category by category

Coding GPT-5.6 Terra leads

GPT-5.6 Terra: 57.7 (#19), Palm 2: 29.0 (#311)

Coding benchmarks
BenchmarkGPT-5.6 TerraPalm 2
LMArena Coding1484994
DeepSWE69.6%—
FrontierCode41.3%—
CursorBench41.3%—
LMArena WebDev1522—
SciCode55%—
WeirdML78.3%—
ALE-Bench1,951—

Agentic & Tool Use Not comparable

GPT-5.6 Terra: 40.1 (#25), Palm 2: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.6 TerraPalm 2
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), Palm 2: 19.1 (#271)

Reasoning benchmarks
BenchmarkGPT-5.6 TerraPalm 2
LMArena Hard Prompts14681005
ARC-AGI-283.9%—
SimpleBench48.9%—
Kagi LLM Benchmark51.3%—
NYT Connections (extended)78.4%—
ARC-AGI-196.5%—
CritPt30%—
Chess Puzzles54%—
Mystery Game Puzzles35%—
DTBench93.3%—
LMCA55%—
Surface Evolver Bench83.8%—
Epoch Capabilities Index159.62—

Math GPT-5.6 Terra leads

GPT-5.6 Terra: 81.6 (#12), Palm 2: 30.8 (#231)

Math benchmarks
BenchmarkGPT-5.6 TerraPalm 2
LMArena Math14661049
FrontierMath (Tiers 1-3)86%—
FrontierMath Tier 470.7%—
OTIS Mock AIME 2024-202599.7%—
ProofBench74%—

Knowledge Not comparable

GPT-5.6 Terra: 61.2 (#30), Palm 2: —

Knowledge benchmarks
BenchmarkGPT-5.6 TerraPalm 2
GPQA Diamond93.3%—
SimpleQA Verified43.2%—
LMArena Expert1492—

Multimodal Not comparable

GPT-5.6 Terra: 47.3 (#11), Palm 2: —

Multimodal benchmarks
BenchmarkGPT-5.6 TerraPalm 2
LMArena Vision1271—
Blueprint-Bench 230.8%—
Furniture Assembly54.2%—
LMArena Document1472—

Multilingual GPT-5.6 Terra leads

GPT-5.6 Terra: 54.4 (#44), Palm 2: 20.9 (#295)

Multilingual benchmarks
BenchmarkGPT-5.6 TerraPalm 2
LMArena Non-English1439916
LMArena Chinese1513887
LMArena French1471—
LMArena German1460—
LMArena Japanese1457—
LMArena Korean1425—
LMArena Russian1450—
LMArena Spanish1448—

Instruction Following GPT-5.6 Terra leads

GPT-5.6 Terra: 76.4 (#40), Palm 2: 51.0 (#296)

Instruction Following benchmarks
BenchmarkGPT-5.6 TerraPalm 2
LMArena Instruction Following14541010

Long Context GPT-5.6 Terra leads

GPT-5.6 Terra: 44.4 (#68), Palm 2: 30.8 (#285)

Long Context benchmarks
BenchmarkGPT-5.6 TerraPalm 2
LMArena Longer Query14511010

Writing & Preference GPT-5.6 Terra leads

GPT-5.6 Terra: 70.2 (#23), Palm 2: 25.6 (#304)

Writing & Preference benchmarks
BenchmarkGPT-5.6 TerraPalm 2
LMArena Text14471027
LMArena Creative Writing1410991
LMArena Multi-Turn1449994
EQ-Bench Creative Writing1855—
EQ-Bench 41234—

Frequently asked questions

Is GPT-5.6 Terra better than Palm 2?

GPT-5.6 Terra is the stronger model overall, scoring 59.2 to 30.0 on the Noometry Index.

Is GPT-5.6 Terra or Palm 2 better for coding?

GPT-5.6 Terra scores higher on coding benchmarks: 57.7 versus 29.0 in the Noometry coding category.

How many benchmarks do GPT-5.6 Terra and Palm 2 share?

10 benchmarks have published results for both models. GPT-5.6 Terra has 52 scored results on Noometry and Palm 2 has 10.

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