Noometry

Model comparison

GPT-4 vs GPT-6.1 Sol

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 29.1 on the Noometry Index.

Last verified . 17 shared benchmarks.

GPT-4 OpenAI

29.1

Rank #316 Confirmed

GPT-6.1 Sol OpenAI

65.6

Rank #6 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GPT-4 scores higher in 0 categories and GPT-6.1 Sol in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-6.1 Sol leads 93.7 to 10.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.1% for GPT-4 and 100% for GPT-6.1 Sol.
  • GPT-6.1 Sol is cheaper at $2 / $10 per million input/output tokens, against $30 / $60 for GPT-4.
  • GPT-6.1 Sol accepts more context: 1.05M tokens versus 8K.

Side by side

GPT-4GPT-6.1 Sol
ProviderOpenAIOpenAI
Noometry Index29.165.6
Released2023-03-142026-09-29
WeightsProprietaryProprietary
Context window8K1.05M
Max output8K128K
Input $ / M tokens$30$2
Output $ / M tokens$60$10
Results tracked3834

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Category by category

Coding GPT-6.1 Sol leads

GPT-4: 31.6 (#283), GPT-6.1 Sol: 63.2 (#8)

BenchmarkGPT-4GPT-6.1 Sol
LMArena Coding12541487
DeepSWE—75.2%
FrontierCode—50.2%
LMArena WebDev—1755
SciCode—55.8%
WeirdML12.4%—
BigCodeBench Instruct46%—
BigCodeBench Complete57.2%—
HumanEval+79.3%—

Agentic & Tool Use Not comparable

GPT-4: —, GPT-6.1 Sol: 39.6 (#26)

BenchmarkGPT-4GPT-6.1 Sol
APEX-Agents—60%
GDP.pdf—32%
METR Time Horizons36.1%—

Reasoning GPT-6.1 Sol leads

GPT-4: 17.8 (#289), GPT-6.1 Sol: 81.9 (#2)

BenchmarkGPT-4GPT-6.1 Sol
Chess Puzzles4%61%
LMArena Hard Prompts12411466
Mystery Game Puzzles12%80%
Epoch Capabilities Index125.89166.09
ARC-AGI-2—94.2%
NYT Connections (extended)—95.5%
ARC-AGI-1—98.5%
CritPt—31.7%
EBR-Bench—54.3%
DTBench62.7%—
LMCA17.1%—
BIG-Bench Hard75.1%—
ForecastBench57.8—
HellaSwag95.3%—
WinoGrande87.5%—

Math GPT-6.1 Sol leads

GPT-4: 10.8 (#309), GPT-6.1 Sol: 93.7 (#1)

BenchmarkGPT-4GPT-6.1 Sol
OTIS Mock AIME 2024-20251.1%100%
LMArena Math12691464
FrontierMath (Tiers 1-3)—93.7%
FrontierMath Tier 4—100%
ProofBench—99%
MATH Level 523%—
GSM8K92%—

Knowledge GPT-6.1 Sol leads

GPT-4: 18.4 (#282), GPT-6.1 Sol: 71.8 (#4)

BenchmarkGPT-4GPT-6.1 Sol
GPQA Diamond35.7%95.4%
LMArena Expert12111502
SimpleQA Verified—73.9%
MMLU86.4%—
TriviaQA84.8%—

Multimodal Not comparable

GPT-4: —, GPT-6.1 Sol: 52.7 (#5)

BenchmarkGPT-4GPT-6.1 Sol
LMArena Vision—1288
Furniture Assembly—80%

Multilingual GPT-6.1 Sol leads

GPT-4: 40.6 (#215), GPT-6.1 Sol: 54.3 (#46)

BenchmarkGPT-4GPT-6.1 Sol
LMArena Non-English12461438
LMArena Chinese12421477
LMArena Russian12511455
LMArena French1283—
LMArena German1251—
LMArena Japanese1209—
LMArena Korean1184—
LMArena Spanish1261—

Instruction Following GPT-6.1 Sol leads

GPT-4: 65.3 (#222), GPT-6.1 Sol: 77.0 (#29)

BenchmarkGPT-4GPT-6.1 Sol
LMArena Instruction Following12411468

Long Context GPT-6.1 Sol leads

GPT-4: 37.7 (#212), GPT-6.1 Sol: 44.9 (#54)

BenchmarkGPT-4GPT-6.1 Sol
LMArena Longer Query12441465

Writing & Preference GPT-6.1 Sol leads

GPT-4: 34.9 (#268), GPT-6.1 Sol: 63.6 (#63)

BenchmarkGPT-4GPT-6.1 Sol
LMArena Text12631447
LMArena Creative Writing12441432
LMArena Multi-Turn12571449
EQ-Bench Creative Writing752—

Frequently asked questions

Is GPT-4 better than GPT-6.1 Sol?

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 29.1 on the Noometry Index.

Which is cheaper, GPT-4 or GPT-6.1 Sol?

GPT-6.1 Sol is cheaper. It lists at $2 per million input tokens and $10 per million output tokens; GPT-4 lists at $30 and $60.

Is GPT-4 or GPT-6.1 Sol better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 63.2 versus 31.6 in the Noometry coding category.

Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 8K.

How many benchmarks do GPT-4 and GPT-6.1 Sol share?

17 benchmarks have published results for both models. GPT-4 has 38 scored results on Noometry and GPT-6.1 Sol has 34.

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