Noometry

Model comparison

GPT-6.1 Sol vs Phi 3 Medium 4k Instruct

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 33.0 on the Noometry Index.

Last verified . 12 shared benchmarks.

GPT-6.1 Sol OpenAI

65.6

Rank #6 Confirmed

Phi 3 Medium 4k Instruct Microsoft

33.0

Rank #250 Confirmed

Summary

  • They share 12 benchmarks with published results for both. GPT-6.1 Sol scores higher in 8 categories and Phi 3 Medium 4k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-6.1 Sol leads 93.7 to 33.4.
  • Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.

Side by side

GPT-6.1 SolPhi 3 Medium 4k Instruct
ProviderOpenAIMicrosoft
Noometry Index65.633.0
Released2026-09-29—
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked3417

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Category by category

Coding GPT-6.1 Sol leads

GPT-6.1 Sol: 63.2 (#8), Phi 3 Medium 4k Instruct: 32.9 (#268)

BenchmarkGPT-6.1 SolPhi 3 Medium 4k Instruct
LMArena Coding14871130
DeepSWE75.2%—
FrontierCode50.2%—
LMArena WebDev1755—
SciCode55.8%—

Agentic & Tool Use Not comparable

GPT-6.1 Sol: 39.6 (#26), Phi 3 Medium 4k Instruct: —

BenchmarkGPT-6.1 SolPhi 3 Medium 4k Instruct
APEX-Agents60%—
GDP.pdf32%—

Reasoning GPT-6.1 Sol leads

GPT-6.1 Sol: 81.9 (#2), Phi 3 Medium 4k Instruct: 21.7 (#214)

BenchmarkGPT-6.1 SolPhi 3 Medium 4k Instruct
LMArena Hard Prompts14661127
ARC-AGI-294.2%—
NYT Connections (extended)95.5%—
ARC-AGI-198.5%—
CritPt31.7%—
Chess Puzzles61%—
EBR-Bench54.3%—
Mystery Game Puzzles80%—
Epoch Capabilities Index166.09—

Math GPT-6.1 Sol leads

GPT-6.1 Sol: 93.7 (#1), Phi 3 Medium 4k Instruct: 33.4 (#202)

BenchmarkGPT-6.1 SolPhi 3 Medium 4k Instruct
LMArena Math14641173
FrontierMath (Tiers 1-3)93.7%—
FrontierMath Tier 4100%—
OTIS Mock AIME 2024-2025100%—
ProofBench99%—

Knowledge GPT-6.1 Sol leads

GPT-6.1 Sol: 71.8 (#4), Phi 3 Medium 4k Instruct: 30.2 (#229)

BenchmarkGPT-6.1 SolPhi 3 Medium 4k Instruct
LMArena Expert15021108
GPQA Diamond95.4%—
SimpleQA Verified73.9%—

Multimodal Not comparable

GPT-6.1 Sol: 52.7 (#5), Phi 3 Medium 4k Instruct: —

BenchmarkGPT-6.1 SolPhi 3 Medium 4k Instruct
LMArena Vision1288—
Furniture Assembly80%—

Multilingual GPT-6.1 Sol leads

GPT-6.1 Sol: 54.3 (#46), Phi 3 Medium 4k Instruct: 30.6 (#263)

BenchmarkGPT-6.1 SolPhi 3 Medium 4k Instruct
LMArena Non-English14381094
LMArena Chinese14771108
LMArena Russian14551145
LMArena French—1110
LMArena German—1101
LMArena Japanese—1042
LMArena Korean—954
LMArena Spanish—1095

Instruction Following GPT-6.1 Sol leads

GPT-6.1 Sol: 77.0 (#29), Phi 3 Medium 4k Instruct: 57.6 (#268)

BenchmarkGPT-6.1 SolPhi 3 Medium 4k Instruct
LMArena Instruction Following14681113

Long Context GPT-6.1 Sol leads

GPT-6.1 Sol: 44.9 (#54), Phi 3 Medium 4k Instruct: 34.0 (#255)

BenchmarkGPT-6.1 SolPhi 3 Medium 4k Instruct
LMArena Longer Query14651120

Writing & Preference GPT-6.1 Sol leads

GPT-6.1 Sol: 63.6 (#63), Phi 3 Medium 4k Instruct: 34.1 (#272)

BenchmarkGPT-6.1 SolPhi 3 Medium 4k Instruct
LMArena Text14471138
LMArena Creative Writing14321107
LMArena Multi-Turn14491088

Frequently asked questions

Is GPT-6.1 Sol better than Phi 3 Medium 4k Instruct?

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 33.0 on the Noometry Index.

Is GPT-6.1 Sol or Phi 3 Medium 4k Instruct better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 63.2 versus 32.9 in the Noometry coding category.

How many benchmarks do GPT-6.1 Sol and Phi 3 Medium 4k Instruct share?

12 benchmarks have published results for both models. GPT-6.1 Sol has 34 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.

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