Noometry

Model comparison

Command R vs GPT-5.5 Pro

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 31.4 on the Noometry Index. Command R costs 257× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.

Last verified . 2 shared benchmarks.

Command R Cohere

31.4

Rank #272 Confirmed

GPT-5.5 Pro OpenAI

64.3

Rank #8 Confirmed

Summary

  • They share 2 benchmarks with published results for both. Command R scores higher in 0 categories and GPT-5.5 Pro in 3 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.5 Pro leads 73.3 to 13.8.
  • The biggest single-benchmark swing is DTBench: 46.4% for Command R and 96% for GPT-5.5 Pro.
  • Command R is cheaper at $0.15 / $0.60 per million input/output tokens, against $30 / $180 for GPT-5.5 Pro.
  • GPT-5.5 Pro accepts more context: 1.05M tokens versus 128K.
  • Command R has downloadable open weights; the other is API-only.

Side by side

Command RGPT-5.5 Pro
ProviderCohereOpenAI
Noometry Index31.464.3
Released2024-08-302026-04-23
WeightsOpenProprietary
Context window128K1.05M
Max output4K128K
Input $ / M tokens$0.15$30
Output $ / M tokens$0.60$180
Results tracked2914

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Category by category

Coding Not comparable

Command R: 29.3 (#306), GPT-5.5 Pro: —

BenchmarkCommand RGPT-5.5 Pro
BigCodeBench Instruct37.1%—
LiveBench Coding17.9%—
LMArena Coding1169—
BigCodeBench Complete45.2%—

Reasoning GPT-5.5 Pro leads

Command R: 13.8 (#331), GPT-5.5 Pro: 73.3 (#10)

BenchmarkCommand RGPT-5.5 Pro
DTBench46.4%96%
LMCA9.2%53.9%
ARC-AGI-2—84.6%
SimpleBench—76.9%
ARC-AGI-1—96.5%
CritPt—30.6%
Chess Puzzles—64%
LiveBench Reasoning21.9%—
LMArena Hard Prompts1164—
LiveBench Data Analysis33.3%—
Epoch Capabilities Index—162.07
LiveBench27.5%—

Math GPT-5.5 Pro leads

Command R: 28.0 (#246), GPT-5.5 Pro: 84.0 (#10)

BenchmarkCommand RGPT-5.5 Pro
FrontierMath (Tiers 1-3)—87.7%
FrontierMath Tier 4—78%
OTIS Mock AIME 2024-2025—100%
LiveBench Math19.4%—
LMArena Math1155—
FrontierMath (Feb 2025 set)—52.4%
FrontierMath Tier 4 (v1)—39.6%

Knowledge GPT-5.5 Pro leads

Command R: 31.0 (#221), GPT-5.5 Pro: 64.1 (#19)

BenchmarkCommand RGPT-5.5 Pro
GPQA Diamond—93.9%
LMArena Expert1138—
MMLU65.2%—

Multilingual Not comparable

Command R: 35.7 (#245), GPT-5.5 Pro: —

BenchmarkCommand RGPT-5.5 Pro
LMArena Non-English1174—
LMArena Chinese1182—
LMArena French1162—
LMArena German1176—
LMArena Japanese1143—
LMArena Korean1163—
LMArena Russian1174—
LMArena Spanish1151—

Instruction Following Not comparable

Command R: 58.1 (#261), GPT-5.5 Pro: —

BenchmarkCommand RGPT-5.5 Pro
LiveBench Instruction Following55.6%—
LMArena Instruction Following1167—

Long Context Not comparable

Command R: 36.3 (#231), GPT-5.5 Pro: —

BenchmarkCommand RGPT-5.5 Pro
LMArena Longer Query1198—

Writing & Preference Not comparable

Command R: 38.2 (#254), GPT-5.5 Pro: —

BenchmarkCommand RGPT-5.5 Pro
LMArena Text1187—
LMArena Creative Writing1170—
LMArena Multi-Turn1163—
LiveBench Language16.7%—

Frequently asked questions

Is Command R better than GPT-5.5 Pro?

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 31.4 on the Noometry Index. Command R costs 257× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.

Which is cheaper, Command R or GPT-5.5 Pro?

Command R is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; GPT-5.5 Pro lists at $30 and $180.

Which has the bigger context window?

GPT-5.5 Pro does, with 1.05M tokens against 128K.

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

2 benchmarks have published results for both models. Command R has 29 scored results on Noometry and GPT-5.5 Pro has 14.

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