Model comparison
Command R vs GPT-5.6 Sol
GPT-5.6 Sol is the stronger model overall, scoring 64.4 to 31.0 on the Noometry Index. Command R costs 30× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.
Last verified . 19 shared benchmarks.
CohereSummary
- They share 19 benchmarks with published results for both. Command R scores higher in 0 categories and GPT-5.6 Sol in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.6 Sol leads 74.7 to 13.3.
- The biggest single-benchmark swing is LMCA: 9.2% for Command R and 59.2% for GPT-5.6 Sol.
- Command R is cheaper at $0.15 / $0.60 per million input/output tokens, against $4 / $20 for GPT-5.6 Sol.
- GPT-5.6 Sol accepts more context: 1.05M tokens versus 128K.
- Command R has downloadable open weights; the other is API-only.
Side by side
| Command R | GPT-5.6 Sol | |
|---|---|---|
| Provider | Cohere | OpenAI |
| Noometry Index | 31.0 | 64.4 |
| Released | 2024-08-30 | 2026-07-09 |
| Weights | Open | Proprietary |
| Context window | 128K | 1.05M |
| Max output | 4K | 128K |
| Input $ / M tokens | $0.15 | $4 |
| Output $ / M tokens | $0.60 | $20 |
| Results tracked | 29 | 64 |
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Category by category
Coding GPT-5.6 Sol leads
Command R: 28.8 (#301), GPT-5.6 Sol: 61.1 (#7)
| Benchmark | Command R | GPT-5.6 Sol |
|---|---|---|
| LMArena Coding | 1170 | 1493 |
| DeepSWE | — | 72.7% |
| FrontierCode | — | 47.5% |
| CursorBench | — | 41.7% |
| LMArena WebDev | — | 1619 |
| FrontierSWE | — | 32.2% |
| SciCode | — | 57.1% |
| WeirdML | — | 89.4% |
| BigCodeBench Instruct | 37.1% | — |
| LiveBench Coding | 17.9% | — |
| MirrorCode | — | 20% |
| BigCodeBench Complete | 45.2% | — |
| ALE-Bench | — | 2,177 |
Agentic & Tool Use Not comparable
Command R: —, GPT-5.6 Sol: 50.2 (#7)
| Benchmark | Command R | GPT-5.6 Sol |
|---|---|---|
| APEX-Agents | — | 51.4% |
| OSWorld 2.0 | — | 27.3% |
| τ²-bench Banking | — | 46.9% |
| PostTrainBench | — | 36.2% |
| BALROG | — | 60% |
| GBAEval | — | 52.6% |
| GDP.pdf | — | 30.7% |
| LMArena Search | — | 1257 |
| Vending-Bench 2 | — | 9,619 |
Reasoning GPT-5.6 Sol leads
Command R: 13.3 (#329), GPT-5.6 Sol: 74.7 (#6)
| Benchmark | Command R | GPT-5.6 Sol |
|---|---|---|
| LMArena Hard Prompts | 1164 | 1481 |
| DTBench | 46.4% | 96% |
| LMCA | 9.2% | 59.2% |
| ARC-AGI-2 | — | 92.5% |
| SimpleBench | — | 71.7% |
| Kagi LLM Benchmark | — | 67% |
| NYT Connections (extended) | — | 93.8% |
| ARC-AGI-1 | — | 97.5% |
| CritPt | — | 32.3% |
| Chess Puzzles | — | 64% |
| EnigmaEval | — | 37.1% |
| EBR-Bench | — | 44.8% |
| LiveBench Reasoning | 21.9% | — |
| Mystery Game Puzzles | — | 58% |
| LiveBench Data Analysis | 33.3% | — |
| Surface Evolver Bench | — | 93.1% |
| Bench to the Future 3 | — | 0.14 |
| Epoch Capabilities Index | — | 161.99 |
| LiveBench | 27.5% | — |
Math GPT-5.6 Sol leads
Command R: 25.8 (#244), GPT-5.6 Sol: 85.5 (#7)
| Benchmark | Command R | GPT-5.6 Sol |
|---|---|---|
| LMArena Math | 1155 | 1472 |
| FrontierMath (Tiers 1-3) | — | 89.1% |
| FrontierMath Tier 4 | — | 82.9% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| ProofBench | — | 83% |
| LiveBench Math | 19.4% | — |
| FrontierMath Erdős | — | 0% |
Knowledge GPT-5.6 Sol leads
Command R: 30.5 (#219), GPT-5.6 Sol: 64.3 (#16)
| Benchmark | Command R | GPT-5.6 Sol |
|---|---|---|
| LMArena Expert | 1138 | 1517 |
| GPQA Diamond | — | 93.5% |
| SimpleQA Verified | — | 69.7% |
| Vectara Hallucination Rate | — | 12.4% |
| MMLU | 65.2% | — |
Multimodal Not comparable
Command R: —, GPT-5.6 Sol: 48.9 (#8)
| Benchmark | Command R | GPT-5.6 Sol |
|---|---|---|
| LMArena Vision | — | 1281 |
| Blueprint-Bench 2 | — | 33.6% |
| Furniture Assembly | — | 56.7% |
| LMArena Document | — | 1483 |
Multilingual GPT-5.6 Sol leads
Command R: 35.9 (#240), GPT-5.6 Sol: 55.4 (#32)
| Benchmark | Command R | GPT-5.6 Sol |
|---|---|---|
| LMArena Non-English | 1174 | 1450 |
| LMArena Chinese | 1182 | 1523 |
| LMArena French | 1161 | 1475 |
| LMArena German | 1176 | 1476 |
| LMArena Japanese | 1143 | 1475 |
| LMArena Korean | 1162 | 1434 |
| LMArena Russian | 1174 | 1466 |
| LMArena Spanish | 1150 | 1449 |
Instruction Following GPT-5.6 Sol leads
Command R: 58.3 (#256), GPT-5.6 Sol: 77.8 (#16)
| Benchmark | Command R | GPT-5.6 Sol |
|---|---|---|
| LMArena Instruction Following | 1167 | 1480 |
| LiveBench Instruction Following | 55.6% | — |
Long Context GPT-5.6 Sol leads
Command R: 36.3 (#226), GPT-5.6 Sol: 45.3 (#42)
| Benchmark | Command R | GPT-5.6 Sol |
|---|---|---|
| LMArena Longer Query | 1198 | 1479 |
Writing & Preference GPT-5.6 Sol leads
Command R: 38.4 (#248), GPT-5.6 Sol: 73.5 (#12)
| Benchmark | Command R | GPT-5.6 Sol |
|---|---|---|
| LMArena Text | 1187 | 1456 |
| LMArena Creative Writing | 1170 | 1450 |
| LMArena Multi-Turn | 1163 | 1456 |
| EQ-Bench Creative Writing | — | 1972 |
| EQ-Bench 4 | — | 1250 |
| LiveBench Language | 16.7% | — |
Frequently asked questions
Is Command R better than GPT-5.6 Sol?
GPT-5.6 Sol is the stronger model overall, scoring 64.4 to 31.0 on the Noometry Index. Command R costs 30× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.
Which is cheaper, Command R or GPT-5.6 Sol?
Command R is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; GPT-5.6 Sol lists at $4 and $20.
Is Command R or GPT-5.6 Sol better for coding?
GPT-5.6 Sol scores higher on coding benchmarks: 61.1 versus 28.8 in the Noometry coding category.
Which has the bigger context window?
GPT-5.6 Sol does, with 1.05M tokens against 128K.
How many benchmarks do Command R and GPT-5.6 Sol share?
19 benchmarks have published results for both models. Command R has 29 scored results on Noometry and GPT-5.6 Sol has 64.