Model comparison

GPT-5.6 Terra vs Mistral

GPT-5.6 Terra is the stronger model overall, scoring 59.1 to 29.4 on the Noometry Index.

Last verified . 17 shared benchmarks.

GPT-5.6 Terra OpenAI

59.1

Rank #15 Confirmed

Mistral Mistral AI

29.4

Rank #297 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GPT-5.6 Terra scores higher in 8 categories and Mistral in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.6 Terra leads 81.5 to 20.5.

Side by side

GPT-5.6 Terra and Mistral specifications
GPT-5.6 TerraMistral
ProviderOpenAIMistral AI
Noometry Index59.129.4
Released2026-07-09—
WeightsProprietaryProprietary
Context window1.05M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$12—
Results tracked5222

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Category by category

Coding GPT-5.6 Terra leads

GPT-5.6 Terra: 57.1 (#16), Mistral: 33.2 (#249)

Coding benchmarks
BenchmarkGPT-5.6 TerraMistral
LMArena Coding14841162
DeepSWE69.6%—
FrontierCode41.3%—
CursorBench41.3%—
LMArena WebDev1520—
SciCode55%—
WeirdML78.3%—
ALE-Bench1,951—

Agentic & Tool Use Not comparable

GPT-5.6 Terra: 40.2 (#23), Mistral: —

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

Reasoning GPT-5.6 Terra leads

GPT-5.6 Terra: 60.6 (#19), Mistral: 21.3 (#199)

Reasoning benchmarks
BenchmarkGPT-5.6 TerraMistral
LMArena Hard Prompts14671149
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 Index159.31—

Math GPT-5.6 Terra leads

GPT-5.6 Terra: 81.5 (#10), Mistral: 20.5 (#275)

Math benchmarks
BenchmarkGPT-5.6 TerraMistral
LMArena Math14631180
FrontierMath (Tiers 1-3)86%—
FrontierMath Tier 470.7%—
OTIS Mock AIME 2024-202599.7%—
ProofBench74%—
Omni-MATH—7.2%

Knowledge GPT-5.6 Terra leads

GPT-5.6 Terra: 61.3 (#27), Mistral: 16.3 (#283)

Knowledge benchmarks
BenchmarkGPT-5.6 TerraMistral
LMArena Expert14921125
GPQA Diamond93.3%—
SimpleQA Verified43.2%—
MMLU-Pro—27.7%
GPQA (HELM)—30.3%

Multimodal Not comparable

GPT-5.6 Terra: 47.5 (#10), Mistral: —

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

Multilingual GPT-5.6 Terra leads

GPT-5.6 Terra: 54.5 (#42), Mistral: 33.0 (#249)

Multilingual benchmarks
BenchmarkGPT-5.6 TerraMistral
LMArena Non-English14391129
LMArena Chinese15141109
LMArena French14761179
LMArena German14621155
LMArena Japanese14461012
LMArena Korean14201032
LMArena Russian14501168
LMArena Spanish14551143

Instruction Following GPT-5.6 Terra leads

GPT-5.6 Terra: 76.6 (#38), Mistral: 52.9 (#283)

Instruction Following benchmarks
BenchmarkGPT-5.6 TerraMistral
LMArena Instruction Following14531152
IFEval—56.8%

Long Context GPT-5.6 Terra leads

GPT-5.6 Terra: 44.4 (#64), Mistral: 35.0 (#240)

Long Context benchmarks
BenchmarkGPT-5.6 TerraMistral
LMArena Longer Query14521154

Writing & Preference GPT-5.6 Terra leads

GPT-5.6 Terra: 70.4 (#21), Mistral: 37.2 (#255)

Writing & Preference benchmarks
BenchmarkGPT-5.6 TerraMistral
LMArena Text14461165
LMArena Creative Writing14111158
LMArena Multi-Turn14511147
EQ-Bench Creative Writing1855—
WildBench—66%
EQ-Bench 41234—

Frequently asked questions

Is GPT-5.6 Terra better than Mistral?

GPT-5.6 Terra is the stronger model overall, scoring 59.1 to 29.4 on the Noometry Index.

Is GPT-5.6 Terra or Mistral better for coding?

GPT-5.6 Terra scores higher on coding benchmarks: 57.1 versus 33.2 in the Noometry coding category.

How many benchmarks do GPT-5.6 Terra and Mistral share?

17 benchmarks have published results for both models. GPT-5.6 Terra has 52 scored results on Noometry and Mistral has 22.

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