Noometry

Model comparison

Claude 2.1 vs GPT-5.2

GPT-5.2 is the stronger model overall, scoring 54.1 to 25.2 on the Noometry Index.

Last verified . 6 shared benchmarks.

Claude 2.1 Anthropic

25.2

Rank #345 Reported

GPT-5.2 OpenAI

54.1

Rank #34 Confirmed

Summary

  • They share 6 benchmarks with published results for both. Claude 2.1 scores higher in 0 categories and GPT-5.2 in 4 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.2 leads 60.0 to 10.2.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.9% for Claude 2.1 and 96.1% for GPT-5.2.

Side by side

Claude 2.1GPT-5.2
ProviderAnthropicOpenAI
Noometry Index25.254.1
Released2023-11-212025-12-11
WeightsProprietaryProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$1.75
Output $ / M tokens—$14
Results tracked767

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding GPT-5.2 leads

Claude 2.1: 26.2 (#327), GPT-5.2: 51.6 (#37)

BenchmarkClaude 2.1GPT-5.2
WeirdML7.1%72.2%
SWE-bench Verified—73.8%
SWE-bench Verified (bash only)—72.8%
LMArena WebDev—1416
SWE-bench Multilingual—66.7%
GSO—27.4%
LMArena Coding—1447
ALE-Bench—1,294
AlgoTune—2.05

Agentic & Tool Use Not comparable

Claude 2.1: —, GPT-5.2: 40.2 (#24)

BenchmarkClaude 2.1GPT-5.2
Terminal-Bench—64.9%
Berkeley Function Calling Leaderboard—55.9%
GDPval—49.7%
Remote Labor Index—2.5%
τ²-bench Airline—83%
τ²-bench Banking—32.2%
τ²-bench Retail—81.6%
τ²-bench Telecom—89.7%
DeepResearch Bench—41.1%
LMArena Search—1207
METR Time Horizons—75.3%
Vending-Bench 2—3,591

Reasoning GPT-5.2 leads

Claude 2.1: 21.4 (#221), GPT-5.2: 50.2 (#35)

BenchmarkClaude 2.1GPT-5.2
DTBench51%90.9%
Epoch Capabilities Index119.27153.45
ForecastBench54.260.1
ARC-AGI-2—52.9%
SimpleBench—45.8%
Kagi LLM Benchmark—73.3%
NYT Connections (extended)—83.6%
ARC-AGI-1—86.2%
Chess Puzzles—49%
EnigmaEval—10.4%
EBR-Bench—23%
LMArena Hard Prompts—1445
Mystery Game Puzzles—23%
LMCA—43.9%

Math GPT-5.2 leads

Claude 2.1: 10.2 (#315), GPT-5.2: 60.0 (#38)

BenchmarkClaude 2.1GPT-5.2
OTIS Mock AIME 2024-20251.9%96.1%
FrontierMath (Tiers 1-3)—67.4%
FrontierMath Tier 4—31.7%
MathArena Final-Answer Competitions—72%
ProofBench—15%
LMArena Math—1440
FrontierMath (Feb 2025 set)—40.7%
FrontierMath Tier 4 (v1)—18.8%

Knowledge GPT-5.2 leads

Claude 2.1: 15.4 (#292), GPT-5.2: 59.3 (#32)

BenchmarkClaude 2.1GPT-5.2
GPQA Diamond33%91.4%
Humanity's Last Exam—27.8%
SimpleQA Verified—37.1%
Vectara Hallucination Rate—8.4%
LMArena Expert—1445
MMLU73.5%—

Multimodal Not comparable

Claude 2.1: —, GPT-5.2: 51.3 (#7)

BenchmarkClaude 2.1GPT-5.2
LMArena Vision—1268
VPCT—84%
Furniture Assembly—38.3%
LMArena Document—1405

Multilingual Not comparable

Claude 2.1: —, GPT-5.2: 53.4 (#67)

BenchmarkClaude 2.1GPT-5.2
LMArena Non-English—1425
LMArena Chinese—1460
LMArena French—1455
LMArena German—1448
LMArena Japanese—1420
LMArena Korean—1392
LMArena Russian—1440
LMArena Spanish—1433

Instruction Following Not comparable

Claude 2.1: —, GPT-5.2: 74.7 (#89)

BenchmarkClaude 2.1GPT-5.2
LMArena Instruction Following—1417

Long Context Not comparable

Claude 2.1: —, GPT-5.2: 44.0 (#78)

BenchmarkClaude 2.1GPT-5.2
CL-bench—18.2%
LMArena Longer Query—1428

Writing & Preference Not comparable

Claude 2.1: —, GPT-5.2: 66.8 (#32)

BenchmarkClaude 2.1GPT-5.2
LMArena Text—1439
LMArena Creative Writing—1401
EQ-Bench Creative Writing—1703
LMArena Multi-Turn—1458

Frequently asked questions

Is Claude 2.1 better than GPT-5.2?

GPT-5.2 is the stronger model overall, scoring 54.1 to 25.2 on the Noometry Index.

Is Claude 2.1 or GPT-5.2 better for coding?

GPT-5.2 scores higher on coding benchmarks: 51.6 versus 26.2 in the Noometry coding category.

How many benchmarks do Claude 2.1 and GPT-5.2 share?

6 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and GPT-5.2 has 67.

Related comparisons

Go deeper