Noometry

Model comparison

Command R vs GPT-5.3 Codex

GPT-5.3 Codex is the stronger model overall, scoring 45.5 to 31.0 on the Noometry Index. Command R costs 18× less per token, which makes it the better buy when GPT-5.3 Codex's lead doesn't matter for your workload.

Last verified . 0 shared benchmarks.

Command R Cohere

31.0

Rank #267 Confirmed

GPT-5.3 Codex OpenAI

45.5

Rank #61 Reported

Summary

  • The widest gap is in coding, where GPT-5.3 Codex leads 48.5 to 28.8.
  • Command R is cheaper at $0.15 / $0.60 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Codex.
  • GPT-5.3 Codex accepts more context: 400K tokens versus 128K.
  • Command R has downloadable open weights; the other is API-only.

Side by side

Command RGPT-5.3 Codex
ProviderCohereOpenAI
Noometry Index31.045.5
Released2024-08-302026-02-05
WeightsOpenProprietary
Context window128K400K
Max output4K128K
Input $ / M tokens$0.15$1.75
Output $ / M tokens$0.60$14
Results tracked298

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Category by category

Coding GPT-5.3 Codex leads

Command R: 28.8 (#301), GPT-5.3 Codex: 48.5 (#51)

BenchmarkCommand RGPT-5.3 Codex
SWE-bench Verified—74.8%
LMArena WebDev—1408
WeirdML—79.3%
BigCodeBench Instruct37.1%—
LiveBench Coding17.9%—
LMArena Coding1170—
BigCodeBench Complete45.2%—
ALE-Bench—1,655

Agentic & Tool Use Not comparable

Command R: —, GPT-5.3 Codex: 47.8 (#9)

BenchmarkCommand RGPT-5.3 Codex
Terminal-Bench—78.4%
METR Time Horizons—74.5%
Vending-Bench 2—5,940

Reasoning Not comparable

Command R: 13.3 (#329), GPT-5.3 Codex: —

BenchmarkCommand RGPT-5.3 Codex
LiveBench Reasoning21.9%—
LMArena Hard Prompts1164—
DTBench46.4%—
LiveBench Data Analysis33.3%—
LMCA9.2%—
Epoch Capabilities Index—156.84
LiveBench27.5%—

Math Not comparable

Command R: 25.8 (#244), GPT-5.3 Codex: —

BenchmarkCommand RGPT-5.3 Codex
LiveBench Math19.4%—
LMArena Math1155—

Knowledge Not comparable

Command R: 30.5 (#219), GPT-5.3 Codex: —

BenchmarkCommand RGPT-5.3 Codex
LMArena Expert1138—
MMLU65.2%—

Multilingual Not comparable

Command R: 35.9 (#240), GPT-5.3 Codex: —

BenchmarkCommand RGPT-5.3 Codex
LMArena Non-English1174—
LMArena Chinese1182—
LMArena French1161—
LMArena German1176—
LMArena Japanese1143—
LMArena Korean1162—
LMArena Russian1174—
LMArena Spanish1150—

Instruction Following Not comparable

Command R: 58.3 (#256), GPT-5.3 Codex: —

BenchmarkCommand RGPT-5.3 Codex
LiveBench Instruction Following55.6%—
LMArena Instruction Following1167—

Long Context Not comparable

Command R: 36.3 (#226), GPT-5.3 Codex: —

BenchmarkCommand RGPT-5.3 Codex
LMArena Longer Query1198—

Writing & Preference Not comparable

Command R: 38.4 (#248), GPT-5.3 Codex: —

BenchmarkCommand RGPT-5.3 Codex
LMArena Text1187—
LMArena Creative Writing1170—
LMArena Multi-Turn1163—
LiveBench Language16.7%—

Frequently asked questions

Is Command R better than GPT-5.3 Codex?

GPT-5.3 Codex is the stronger model overall, scoring 45.5 to 31.0 on the Noometry Index. Command R costs 18× less per token, which makes it the better buy when GPT-5.3 Codex's lead doesn't matter for your workload.

Which is cheaper, Command R or GPT-5.3 Codex?

Command R is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; GPT-5.3 Codex lists at $1.75 and $14.

Is Command R or GPT-5.3 Codex better for coding?

GPT-5.3 Codex scores higher on coding benchmarks: 48.5 versus 28.8 in the Noometry coding category.

Which has the bigger context window?

GPT-5.3 Codex does, with 400K tokens against 128K.

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

0 benchmarks have published results for both models. Command R has 29 scored results on Noometry and GPT-5.3 Codex has 8.

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