Model comparison
Command A vs Hy4 preview
Hy4 preview is the stronger model overall, scoring 45.3 to 36.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Cohere
TencentSummary
- The widest gap is in coding, where Hy4 preview leads 51.6 to 27.2.
- Hy4 preview is cheaper at $0.83 / $2.50 per million input/output tokens, against $2.50 / $10 for Command A.
- Hy4 preview accepts more context: 1.05M tokens versus 256K.
Side by side
| Command A | Hy4 preview | |
|---|---|---|
| Provider | Cohere | Tencent |
| Noometry Index | 36.5 | 45.3 |
| Released | 2025-03-13 | 2026-08-28 |
| Weights | Open | Open |
| Context window | 256K | 1.05M |
| Max output | 8K | 64K |
| Input $ / M tokens | $2.50 | $0.83 |
| Output $ / M tokens | $10 | $2.50 |
| Results tracked | 24 | 3 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Hy4 preview leads
Command A: 27.2 (#322), Hy4 preview: 51.6 (#38)
| Benchmark | Command A | Hy4 preview |
|---|---|---|
| Aider Polyglot | 12% | — |
| LMArena WebDev | — | 1632 |
| LMArena Coding | 1330 | — |
Agentic & Tool Use Not comparable
Command A: 35.9 (#40), Hy4 preview: —
| Benchmark | Command A | Hy4 preview |
|---|---|---|
| Berkeley Function Calling Leaderboard | 57.1% | — |
Reasoning Hy4 preview leads
Command A: 18.3 (#283), Hy4 preview: 31.9 (#79)
| Benchmark | Command A | Hy4 preview |
|---|---|---|
| Kagi LLM Benchmark | 28.8% | — |
| NYT Connections (extended) | — | 68.2% |
| LMArena Hard Prompts | 1326 | — |
| DTBench | 61.3% | — |
| LMCA | 10.3% | — |
Math Hy4 preview leads
Command A: 36.2 (#171), Hy4 preview: 55.7 (#42)
| Benchmark | Command A | Hy4 preview |
|---|---|---|
| ProofBench | — | 75% |
| LMArena Math | 1300 | — |
Knowledge Not comparable
Command A: 37.1 (#159), Hy4 preview: —
| Benchmark | Command A | Hy4 preview |
|---|---|---|
| Vectara Hallucination Rate | 9.3% | — |
| LMArena Expert | 1295 | — |
Multilingual Not comparable
Command A: 45.3 (#170), Hy4 preview: —
| Benchmark | Command A | Hy4 preview |
|---|---|---|
| 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 Not comparable
Command A: 69.1 (#177), Hy4 preview: —
| Benchmark | Command A | Hy4 preview |
|---|---|---|
| LMArena Instruction Following | 1309 | — |
Long Context Not comparable
Command A: 40.6 (#151), Hy4 preview: —
| Benchmark | Command A | Hy4 preview |
|---|---|---|
| LMArena Longer Query | 1334 | — |
Writing & Preference Not comparable
Command A: 47.6 (#208), Hy4 preview: —
| Benchmark | Command A | Hy4 preview |
|---|---|---|
| LMArena Text | 1331 | — |
| LMArena Creative Writing | 1319 | — |
| EQ-Bench Creative Writing | 1145 | — |
| LMArena Multi-Turn | 1339 | — |
Frequently asked questions
Is Command A better than Hy4 preview?
Hy4 preview is the stronger model overall, scoring 45.3 to 36.5 on the Noometry Index.
Which is cheaper, Command A or Hy4 preview?
Hy4 preview is cheaper. It lists at $0.83 per million input tokens and $2.50 per million output tokens; Command A lists at $2.50 and $10.
Is Command A or Hy4 preview better for coding?
Hy4 preview scores higher on coding benchmarks: 51.6 versus 27.2 in the Noometry coding category.
Which has the bigger context window?
Hy4 preview does, with 1.05M tokens against 256K.
How many benchmarks do Command A and Hy4 preview share?
0 benchmarks have published results for both models. Command A has 24 scored results on Noometry and Hy4 preview has 3.