Model comparison
Command R+ vs GPT-5-Codex
GPT-5-Codex is the stronger model overall, scoring 37.9 to 32.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
CohereSummary
- The widest gap is in reasoning, where GPT-5-Codex leads 30.9 to 9.2.
- GPT-5-Codex is cheaper at $1.25 / $10 per million input/output tokens, against $2.50 / $10 for Command R+.
- GPT-5-Codex accepts more context: 400K tokens versus 128K.
- Command R+ has downloadable open weights; the other is API-only.
Side by side
| Command R+ | GPT-5-Codex | |
|---|---|---|
| Provider | Cohere | OpenAI |
| Noometry Index | 32.4 | 37.9 |
| Released | 2024-08-30 | 2025-09-15 |
| Weights | Open | Proprietary |
| Context window | 128K | 400K |
| Max output | 4K | 128K |
| Input $ / M tokens | $2.50 | $1.25 |
| Output $ / M tokens | $10 | $10 |
| Results tracked | 34 | 3 |
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Category by category
Coding GPT-5-Codex leads
Command R+: 29.1 (#309), GPT-5-Codex: 42.4 (#103)
| Benchmark | Command R+ | GPT-5-Codex |
|---|---|---|
| WeirdML | — | 54.5% |
| BigCodeBench Instruct | 33.8% | — |
| LiveBench Coding | 19.1% | — |
| LMArena Coding | 1187 | — |
| BigCodeBench Complete | 41.9% | — |
| HumanEval+ | 56.7% | — |
| MBPP+ | 63.5% | — |
Agentic & Tool Use Not comparable
Command R+: —, GPT-5-Codex: 31.0 (#72)
| Benchmark | Command R+ | GPT-5-Codex |
|---|---|---|
| Terminal-Bench | — | 44.3% |
Reasoning GPT-5-Codex leads
Command R+: 9.2 (#344), GPT-5-Codex: 30.9 (#83)
| Benchmark | Command R+ | GPT-5-Codex |
|---|---|---|
| SimpleBench | 17.4% | — |
| Kagi LLM Benchmark | — | 70.3% |
| LiveBench Reasoning | 24.8% | — |
| LMArena Hard Prompts | 1186 | — |
| DTBench | 54.9% | — |
| LiveBench Data Analysis | 38.1% | — |
| LMCA | 5% | — |
| Epoch Capabilities Index | 119.34 | — |
| LiveBench | 31.8% | — |
Math Not comparable
Command R+: 28.9 (#242), GPT-5-Codex: —
| Benchmark | Command R+ | GPT-5-Codex |
|---|---|---|
| LiveBench Math | 21.3% | — |
| LMArena Math | 1188 | — |
Knowledge Not comparable
Command R+: 36.4 (#169), GPT-5-Codex: —
| Benchmark | Command R+ | GPT-5-Codex |
|---|---|---|
| Vectara Hallucination Rate | 6.9% | — |
| LMArena Expert | 1174 | — |
| MMLU | 69.4% | — |
Multilingual Not comparable
Command R+: 38.6 (#227), GPT-5-Codex: —
| Benchmark | Command R+ | GPT-5-Codex |
|---|---|---|
| LMArena Non-English | 1216 | — |
| LMArena Chinese | 1226 | — |
| LMArena French | 1209 | — |
| LMArena German | 1216 | — |
| LMArena Japanese | 1166 | — |
| LMArena Korean | 1138 | — |
| LMArena Russian | 1227 | — |
| LMArena Spanish | 1189 | — |
Instruction Following Not comparable
Command R+: 60.0 (#254), GPT-5-Codex: —
| Benchmark | Command R+ | GPT-5-Codex |
|---|---|---|
| LiveBench Instruction Following | 57.6% | — |
| LMArena Instruction Following | 1197 | — |
Long Context Not comparable
Command R+: 37.3 (#219), GPT-5-Codex: —
| Benchmark | Command R+ | GPT-5-Codex |
|---|---|---|
| LMArena Longer Query | 1230 | — |
Writing & Preference Not comparable
Command R+: 43.5 (#228), GPT-5-Codex: —
| Benchmark | Command R+ | GPT-5-Codex |
|---|---|---|
| LMArena Text | 1229 | — |
| LMArena Creative Writing | 1235 | — |
| LMArena Multi-Turn | 1213 | — |
| LiveBench Language | 29.7% | — |
Frequently asked questions
Is Command R+ better than GPT-5-Codex?
GPT-5-Codex is the stronger model overall, scoring 37.9 to 32.4 on the Noometry Index.
Which is cheaper, Command R+ or GPT-5-Codex?
GPT-5-Codex is cheaper. It lists at $1.25 per million input tokens and $10 per million output tokens; Command R+ lists at $2.50 and $10.
Is Command R+ or GPT-5-Codex better for coding?
GPT-5-Codex scores higher on coding benchmarks: 42.4 versus 29.1 in the Noometry coding category.
Which has the bigger context window?
GPT-5-Codex does, with 400K tokens against 128K.
How many benchmarks do Command R+ and GPT-5-Codex share?
0 benchmarks have published results for both models. Command R+ has 34 scored results on Noometry and GPT-5-Codex has 3.