Noometry

Model comparison

Command R+ vs GPT-5.3 Chat

GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 32.4 on the Noometry Index.

Last verified . 17 shared benchmarks.

Command R+ Cohere

32.4

Rank #257 Confirmed

GPT-5.3 Chat OpenAI

42.8

Rank #109 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Command R+ scores higher in 0 categories and GPT-5.3 Chat in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where GPT-5.3 Chat leads 63.1 to 43.5.
  • Command R+ is cheaper at $2.50 / $10 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Chat.
  • Command R+ has downloadable open weights; the other is API-only.

Side by side

Command R+GPT-5.3 Chat
ProviderCohereOpenAI
Noometry Index32.442.8
Released2024-08-302026-03-03
WeightsOpenProprietary
Context window128K128K
Max output4K16K
Input $ / M tokens$2.50$1.75
Output $ / M tokens$10$14
Results tracked3418

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Category by category

Coding GPT-5.3 Chat leads

Command R+: 29.1 (#309), GPT-5.3 Chat: 41.4 (#124)

BenchmarkCommand R+GPT-5.3 Chat
LMArena Coding11871408
BigCodeBench Instruct33.8%—
LiveBench Coding19.1%—
BigCodeBench Complete41.9%—
HumanEval+56.7%—
MBPP+63.5%—

Reasoning GPT-5.3 Chat leads

Command R+: 9.2 (#344), GPT-5.3 Chat: 28.5 (#102)

BenchmarkCommand R+GPT-5.3 Chat
LMArena Hard Prompts11861399
SimpleBench17.4%—
LiveBench Reasoning24.8%—
DTBench54.9%—
LiveBench Data Analysis38.1%—
LMCA5%—
Epoch Capabilities Index119.34—
LiveBench31.8%—

Math GPT-5.3 Chat leads

Command R+: 28.9 (#242), GPT-5.3 Chat: 38.2 (#142)

BenchmarkCommand R+GPT-5.3 Chat
LMArena Math11881389
LiveBench Math21.3%—

Knowledge GPT-5.3 Chat leads

Command R+: 36.4 (#169), GPT-5.3 Chat: 38.8 (#140)

BenchmarkCommand R+GPT-5.3 Chat
LMArena Expert11741397
Vectara Hallucination Rate6.9%—
MMLU69.4%—

Multilingual GPT-5.3 Chat leads

Command R+: 38.6 (#227), GPT-5.3 Chat: 50.3 (#124)

BenchmarkCommand R+GPT-5.3 Chat
LMArena Non-English12161382
LMArena Chinese12261432
LMArena French12091397
LMArena German12161384
LMArena Japanese11661352
LMArena Korean11381346
LMArena Russian12271400
LMArena Spanish11891371

Instruction Following GPT-5.3 Chat leads

Command R+: 60.0 (#254), GPT-5.3 Chat: 72.8 (#129)

BenchmarkCommand R+GPT-5.3 Chat
LMArena Instruction Following11971378
LiveBench Instruction Following57.6%—

Long Context GPT-5.3 Chat leads

Command R+: 37.3 (#219), GPT-5.3 Chat: 42.6 (#120)

BenchmarkCommand R+GPT-5.3 Chat
LMArena Longer Query12301396

Writing & Preference GPT-5.3 Chat leads

Command R+: 43.5 (#228), GPT-5.3 Chat: 63.1 (#68)

BenchmarkCommand R+GPT-5.3 Chat
LMArena Text12291389
LMArena Creative Writing12351355
LMArena Multi-Turn12131412
EQ-Bench Creative Writing—1690
LiveBench Language29.7%—

Frequently asked questions

Is Command R+ better than GPT-5.3 Chat?

GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 32.4 on the Noometry Index.

Which is cheaper, Command R+ or GPT-5.3 Chat?

Command R+ is cheaper. It lists at $2.50 per million input tokens and $10 per million output tokens; GPT-5.3 Chat lists at $1.75 and $14.

Is Command R+ or GPT-5.3 Chat better for coding?

GPT-5.3 Chat scores higher on coding benchmarks: 41.4 versus 29.1 in the Noometry coding category.

Which has the bigger context window?

Both accept 128K tokens.

How many benchmarks do Command R+ and GPT-5.3 Chat share?

17 benchmarks have published results for both models. Command R+ has 34 scored results on Noometry and GPT-5.3 Chat has 18.

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