Noometry

Model comparison

Command R+ vs GPT-5.5 Instant

GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 32.0 on the Noometry Index.

Last verified . 18 shared benchmarks.

Command R+ Cohere

32.0

Rank #251 Confirmed

GPT-5.5 Instant OpenAI

42.5

Rank #99 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Command R+ scores higher in 1 category and GPT-5.5 Instant in 7 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where GPT-5.5 Instant leads 62.0 to 43.7.
  • Command R+ has downloadable open weights; the other is API-only.

Side by side

Command R+GPT-5.5 Instant
ProviderCohereOpenAI
Noometry Index32.042.5
Released2024-08-302026-05-05
WeightsOpenProprietary
Context window128K—
Max output4K—
Input $ / M tokens$2.50—
Output $ / M tokens$10—
Results tracked3427

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

Category by category

Coding GPT-5.5 Instant leads

Command R+: 28.6 (#304), GPT-5.5 Instant: 43.7 (#73)

BenchmarkCommand R+GPT-5.5 Instant
LMArena Coding11871433
SciCode—48.6%
BigCodeBench Instruct33.8%—
LiveBench Coding19.1%—
BigCodeBench Complete41.9%—
HumanEval+56.7%—
MBPP+63.5%—

Reasoning GPT-5.5 Instant leads

Command R+: 8.9 (#341), GPT-5.5 Instant: 24.2 (#149)

BenchmarkCommand R+GPT-5.5 Instant
LMArena Hard Prompts11861426
Epoch Capabilities Index119.28142.48
SimpleBench17.4%—
CritPt—0%
Chess Puzzles—12%
LiveBench Reasoning24.8%—
DTBench54.9%—
LiveBench Data Analysis38.1%—
LMCA5%—
LiveBench31.8%—

Math Too close to call

Command R+: 26.6 (#239), GPT-5.5 Instant: 26.1 (#241)

BenchmarkCommand R+GPT-5.5 Instant
LMArena Math11881420
FrontierMath (Tiers 1-3)—26.3%
FrontierMath Tier 4—2.4%
OTIS Mock AIME 2024-2025—68.1%
LiveBench Math21.3%—

Knowledge GPT-5.5 Instant leads

Command R+: 35.9 (#165), GPT-5.5 Instant: 48.9 (#68)

BenchmarkCommand R+GPT-5.5 Instant
LMArena Expert11741409
GPQA Diamond—82.5%
Vectara Hallucination Rate6.9%—
MMLU69.4%—

Multimodal Not comparable

Command R+: —, GPT-5.5 Instant: 39.3 (#48)

BenchmarkCommand R+GPT-5.5 Instant
LMArena Vision—1250
LMArena Document—1403

Multilingual GPT-5.5 Instant leads

Command R+: 38.8 (#222), GPT-5.5 Instant: 53.0 (#76)

BenchmarkCommand R+GPT-5.5 Instant
LMArena Non-English12161417
LMArena Chinese12261457
LMArena French12081428
LMArena German12161410
LMArena Japanese11661408
LMArena Korean11381393
LMArena Russian12271430
LMArena Spanish11891430

Instruction Following GPT-5.5 Instant leads

Command R+: 60.2 (#249), GPT-5.5 Instant: 74.4 (#94)

BenchmarkCommand R+GPT-5.5 Instant
LMArena Instruction Following11971407
LiveBench Instruction Following57.6%—

Long Context GPT-5.5 Instant leads

Command R+: 37.3 (#214), GPT-5.5 Instant: 43.4 (#92)

BenchmarkCommand R+GPT-5.5 Instant
LMArena Longer Query12311422

Writing & Preference GPT-5.5 Instant leads

Command R+: 43.7 (#223), GPT-5.5 Instant: 62.0 (#81)

BenchmarkCommand R+GPT-5.5 Instant
LMArena Text12291419
LMArena Creative Writing12351420
LMArena Multi-Turn12131434
LiveBench Language29.7%—

Frequently asked questions

Is Command R+ better than GPT-5.5 Instant?

GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 32.0 on the Noometry Index.

Is Command R+ or GPT-5.5 Instant better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 43.7 versus 28.6 in the Noometry coding category.

How many benchmarks do Command R+ and GPT-5.5 Instant share?

18 benchmarks have published results for both models. Command R+ has 34 scored results on Noometry and GPT-5.5 Instant has 27.

Related comparisons

Go deeper