Model comparison
Command A vs Sonar
Sonar is the stronger model overall, scoring 38.5 to 36.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Cohere
PerplexitySummary
- The widest gap is in coding, where Sonar leads 35.7 to 27.2.
- Sonar is cheaper at $1 / $1 per million input/output tokens, against $2.50 / $10 for Command A.
- Command A accepts more context: 256K tokens versus 128K.
- Command A has downloadable open weights; the other is API-only.
Side by side
| Command A | Sonar | |
|---|---|---|
| Provider | Cohere | Perplexity |
| Noometry Index | 36.5 | 38.5 |
| Released | 2025-03-13 | 2024-01-01 |
| Weights | Open | Proprietary |
| Context window | 256K | 128K |
| Max output | 8K | 4K |
| Input $ / M tokens | $2.50 | $1 |
| Output $ / M tokens | $10 | $1 |
| Results tracked | 24 | 7 |
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Category by category
Coding Sonar leads
Command A: 27.2 (#322), Sonar: 35.7 (#221)
| Benchmark | Command A | Sonar |
|---|---|---|
| Aider Polyglot | 12% | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1330 | — |
Agentic & Tool Use Not comparable
Command A: 35.9 (#40), Sonar: —
| Benchmark | Command A | Sonar |
|---|---|---|
| Berkeley Function Calling Leaderboard | 57.1% | — |
Reasoning Sonar leads
Command A: 18.3 (#283), Sonar: 21.1 (#227)
| Benchmark | Command A | Sonar |
|---|---|---|
| Kagi LLM Benchmark | 28.8% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1326 | — |
| DTBench | 61.3% | — |
| LiveBench Data Analysis | — | 37.9% |
| LMCA | 10.3% | — |
| LiveBench | — | 46.9% |
Math Command A leads
Command A: 36.2 (#171), Sonar: 33.7 (#200)
| Benchmark | Command A | Sonar |
|---|---|---|
| LiveBench Math | — | 41.6% |
| LMArena Math | 1300 | — |
Knowledge Not comparable
Command A: 37.1 (#159), Sonar: —
| Benchmark | Command A | Sonar |
|---|---|---|
| Vectara Hallucination Rate | 9.3% | — |
| LMArena Expert | 1295 | — |
Multilingual Not comparable
Command A: 45.3 (#170), Sonar: —
| Benchmark | Command A | Sonar |
|---|---|---|
| LMArena Non-English | 1313 | — |
| LMArena Chinese | 1327 | — |
| LMArena French | 1351 | — |
| LMArena German | 1341 | — |
| LMArena Japanese | 1285 | — |
| LMArena Korean | 1285 | — |
| LMArena Russian | 1314 | — |
| LMArena Spanish | 1347 | — |
Instruction Following Sonar leads
Command A: 69.1 (#177), Sonar: 71.4 (#150)
| Benchmark | Command A | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1309 | — |
Long Context Not comparable
Command A: 40.6 (#151), Sonar: —
| Benchmark | Command A | Sonar |
|---|---|---|
| LMArena Longer Query | 1334 | — |
Writing & Preference Sonar leads
Command A: 47.6 (#208), Sonar: 52.6 (#167)
| Benchmark | Command A | Sonar |
|---|---|---|
| LMArena Text | 1331 | — |
| LMArena Creative Writing | 1319 | — |
| EQ-Bench Creative Writing | 1145 | — |
| LMArena Multi-Turn | 1339 | — |
| LiveBench Language | — | 44.1% |
Frequently asked questions
Is Command A better than Sonar?
Sonar is the stronger model overall, scoring 38.5 to 36.5 on the Noometry Index.
Which is cheaper, Command A or Sonar?
Sonar is cheaper. It lists at $1 per million input tokens and $1 per million output tokens; Command A lists at $2.50 and $10.
Is Command A or Sonar better for coding?
Sonar scores higher on coding benchmarks: 35.7 versus 27.2 in the Noometry coding category.
Which has the bigger context window?
Command A does, with 256K tokens against 128K.
How many benchmarks do Command A and Sonar share?
0 benchmarks have published results for both models. Command A has 24 scored results on Noometry and Sonar has 7.