Model comparison
Command A vs GPT-5.5 Instant
GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 35.9 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 43.7 to 26.8.
- 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 | 35.9 | 42.5 |
| 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 |
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Category by category
Coding GPT-5.5 Instant leads
Command A: 26.8 (#317), GPT-5.5 Instant: 43.7 (#73)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Coding | 1331 | 1433 |
| Aider Polyglot | 12% | — |
| SciCode | — | 48.6% |
Agentic & Tool Use Not comparable
Command A: 35.7 (#36), 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: 17.7 (#276), GPT-5.5 Instant: 24.2 (#149)
| 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 | — | 142.48 |
Math Command A leads
Command A: 33.5 (#172), GPT-5.5 Instant: 26.1 (#241)
| 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: 36.5 (#157), GPT-5.5 Instant: 48.9 (#68)
| 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: 39.3 (#48)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Vision | — | 1250 |
| LMArena Document | — | 1403 |
Multilingual GPT-5.5 Instant leads
Command A: 45.5 (#166), GPT-5.5 Instant: 53.0 (#76)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Non-English | 1313 | 1417 |
| LMArena Chinese | 1327 | 1457 |
| LMArena French | 1352 | 1428 |
| LMArena German | 1341 | 1410 |
| LMArena Japanese | 1283 | 1408 |
| LMArena Korean | 1285 | 1393 |
| LMArena Russian | 1314 | 1430 |
| LMArena Spanish | 1346 | 1430 |
Instruction Following GPT-5.5 Instant leads
Command A: 69.3 (#172), GPT-5.5 Instant: 74.4 (#94)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1309 | 1407 |
Long Context GPT-5.5 Instant leads
Command A: 40.6 (#147), GPT-5.5 Instant: 43.4 (#92)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Longer Query | 1334 | 1422 |
Writing & Preference GPT-5.5 Instant leads
Command A: 47.8 (#204), GPT-5.5 Instant: 62.0 (#81)
| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Text | 1331 | 1419 |
| LMArena Creative Writing | 1319 | 1420 |
| LMArena Multi-Turn | 1338 | 1434 |
| 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 42.5 to 35.9 on the Noometry Index.
Is Command A or GPT-5.5 Instant better for coding?
GPT-5.5 Instant scores higher on coding benchmarks: 43.7 versus 26.8 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.