Model comparison
Command R vs GPT-5.5 Instant
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 31.4 on the Noometry Index.
Last verified . 17 shared benchmarks.
CohereSummary
- They share 17 benchmarks with published results for both. Command R scores higher in 1 category and GPT-5.5 Instant in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.5 Instant leads 61.8 to 38.2.
- Command R has downloadable open weights; the other is API-only.
Side by side
| Command R | GPT-5.5 Instant | |
|---|---|---|
| Provider | Cohere | OpenAI |
| Noometry Index | 31.4 | 42.7 |
| Released | 2024-08-30 | 2026-05-05 |
| Weights | Open | Proprietary |
| Context window | 128K | — |
| Max output | 4K | — |
| Input $ / M tokens | $0.15 | — |
| Output $ / M tokens | $0.60 | — |
| Results tracked | 29 | 27 |
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Category by category
Coding GPT-5.5 Instant leads
Command R: 29.3 (#306), GPT-5.5 Instant: 44.3 (#74)
| Benchmark | Command R | GPT-5.5 Instant |
|---|---|---|
| LMArena Coding | 1169 | 1433 |
| SciCode | — | 48.6% |
| BigCodeBench Instruct | 37.1% | — |
| LiveBench Coding | 17.9% | — |
| BigCodeBench Complete | 45.2% | — |
Reasoning GPT-5.5 Instant leads
Command R: 13.8 (#331), GPT-5.5 Instant: 24.9 (#155)
| Benchmark | Command R | GPT-5.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1164 | 1426 |
| CritPt | — | 0% |
| Chess Puzzles | — | 12% |
| LiveBench Reasoning | 21.9% | — |
| DTBench | 46.4% | — |
| LiveBench Data Analysis | 33.3% | — |
| LMCA | 9.2% | — |
| Epoch Capabilities Index | — | 142.52 |
| LiveBench | 27.5% | — |
Math Command R leads
Command R: 28.0 (#246), GPT-5.5 Instant: 26.5 (#259)
| Benchmark | Command R | GPT-5.5 Instant |
|---|---|---|
| LMArena Math | 1155 | 1420 |
| FrontierMath (Tiers 1-3) | — | 26.3% |
| FrontierMath Tier 4 | — | 2.4% |
| OTIS Mock AIME 2024-2025 | — | 68.1% |
| LiveBench Math | 19.4% | — |
Knowledge GPT-5.5 Instant leads
Command R: 31.0 (#221), GPT-5.5 Instant: 48.9 (#74)
| Benchmark | Command R | GPT-5.5 Instant |
|---|---|---|
| LMArena Expert | 1138 | 1409 |
| GPQA Diamond | — | 82.5% |
| MMLU | 65.2% | — |
Multimodal Not comparable
Command R: —, GPT-5.5 Instant: 40.0 (#52)
| Benchmark | Command R | GPT-5.5 Instant |
|---|---|---|
| LMArena Vision | — | 1250 |
| LMArena Document | — | 1403 |
Multilingual GPT-5.5 Instant leads
Command R: 35.7 (#245), GPT-5.5 Instant: 52.8 (#80)
| Benchmark | Command R | GPT-5.5 Instant |
|---|---|---|
| LMArena Non-English | 1174 | 1417 |
| LMArena Chinese | 1182 | 1456 |
| LMArena French | 1162 | 1428 |
| LMArena German | 1176 | 1411 |
| LMArena Japanese | 1143 | 1408 |
| LMArena Korean | 1163 | 1392 |
| LMArena Russian | 1174 | 1431 |
| LMArena Spanish | 1151 | 1429 |
Instruction Following GPT-5.5 Instant leads
Command R: 58.1 (#261), GPT-5.5 Instant: 74.2 (#100)
| Benchmark | Command R | GPT-5.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1167 | 1406 |
| LiveBench Instruction Following | 55.6% | — |
Long Context GPT-5.5 Instant leads
Command R: 36.3 (#231), GPT-5.5 Instant: 43.4 (#96)
| Benchmark | Command R | GPT-5.5 Instant |
|---|---|---|
| LMArena Longer Query | 1198 | 1422 |
Writing & Preference GPT-5.5 Instant leads
Command R: 38.2 (#254), GPT-5.5 Instant: 61.8 (#85)
| Benchmark | Command R | GPT-5.5 Instant |
|---|---|---|
| LMArena Text | 1187 | 1419 |
| LMArena Creative Writing | 1170 | 1419 |
| LMArena Multi-Turn | 1163 | 1433 |
| LiveBench Language | 16.7% | — |
Frequently asked questions
Is Command R better than GPT-5.5 Instant?
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 31.4 on the Noometry Index.
Is Command R or GPT-5.5 Instant better for coding?
GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 29.3 in the Noometry coding category.
How many benchmarks do Command R and GPT-5.5 Instant share?
17 benchmarks have published results for both models. Command R has 29 scored results on Noometry and GPT-5.5 Instant has 27.