Model comparison
Command A vs GPT-5.5 Instant
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 36.5 on the Noometry Index.
Last verified . 17 shared benchmarks.
CohereSummary
- They share 17 benchmarks with published results for both. Command A 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 coding, where GPT-5.5 Instant leads 44.3 to 27.2.
- Command A has downloadable open weights; the other is API-only.
Side by side
| Command A | GPT-5.5 Instant | |
|---|---|---|
| Provider | Cohere | OpenAI |
| Noometry Index | 36.5 | 42.7 |
| Released | 2025-03-13 | 2026-05-05 |
| Weights | Open | Proprietary |
| Context window | 256K | — |
| Max output | 8K | — |
| Input $ / M tokens | $2.50 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 24 | 27 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GPT-5.5 Instant leads
Command A: 27.2 (#322), GPT-5.5 Instant: 44.3 (#74)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Coding | 1330 | 1433 |
| Aider Polyglot | 12% | — |
| SciCode | — | 48.6% |
Agentic & Tool Use Not comparable
Command A: 35.9 (#40), GPT-5.5 Instant: —
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| Berkeley Function Calling Leaderboard | 57.1% | — |
Reasoning GPT-5.5 Instant leads
Command A: 18.3 (#283), GPT-5.5 Instant: 24.9 (#155)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1326 | 1426 |
| Kagi LLM Benchmark | 28.8% | — |
| CritPt | — | 0% |
| Chess Puzzles | — | 12% |
| DTBench | 61.3% | — |
| LMCA | 10.3% | — |
| Epoch Capabilities Index | — | 142.52 |
Math Command A leads
Command A: 36.2 (#171), GPT-5.5 Instant: 26.5 (#259)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Math | 1300 | 1420 |
| FrontierMath (Tiers 1-3) | — | 26.3% |
| FrontierMath Tier 4 | — | 2.4% |
| OTIS Mock AIME 2024-2025 | — | 68.1% |
Knowledge GPT-5.5 Instant leads
Command A: 37.1 (#159), GPT-5.5 Instant: 48.9 (#74)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Expert | 1295 | 1409 |
| GPQA Diamond | — | 82.5% |
| Vectara Hallucination Rate | 9.3% | — |
Multimodal Not comparable
Command A: —, GPT-5.5 Instant: 40.0 (#52)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Vision | — | 1250 |
| LMArena Document | — | 1403 |
Multilingual GPT-5.5 Instant leads
Command A: 45.3 (#170), GPT-5.5 Instant: 52.8 (#80)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Non-English | 1313 | 1417 |
| LMArena Chinese | 1327 | 1456 |
| LMArena French | 1351 | 1428 |
| LMArena German | 1341 | 1411 |
| LMArena Japanese | 1285 | 1408 |
| LMArena Korean | 1285 | 1392 |
| LMArena Russian | 1314 | 1431 |
| LMArena Spanish | 1347 | 1429 |
Instruction Following GPT-5.5 Instant leads
Command A: 69.1 (#177), GPT-5.5 Instant: 74.2 (#100)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1309 | 1406 |
Long Context GPT-5.5 Instant leads
Command A: 40.6 (#151), GPT-5.5 Instant: 43.4 (#96)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Longer Query | 1334 | 1422 |
Writing & Preference GPT-5.5 Instant leads
Command A: 47.6 (#208), GPT-5.5 Instant: 61.8 (#85)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Text | 1331 | 1419 |
| LMArena Creative Writing | 1319 | 1419 |
| LMArena Multi-Turn | 1339 | 1433 |
| EQ-Bench Creative Writing | 1145 | — |
Frequently asked questions
Is Command A better than GPT-5.5 Instant?
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 36.5 on the Noometry Index.
Is Command A or GPT-5.5 Instant better for coding?
GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 27.2 in the Noometry coding category.
How many benchmarks do Command A and GPT-5.5 Instant share?
17 benchmarks have published results for both models. Command A has 24 scored results on Noometry and GPT-5.5 Instant has 27.