Model comparison
GPT-5.5 Instant vs Laguna M.1
GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 31.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
PoolsideSummary
- The widest gap is in coding, where GPT-5.5 Instant leads 43.7 to 36.4.
- Laguna M.1 has downloadable open weights; the other is API-only.
Side by side
| GPT-5.5 Instant | Laguna M.1 | |
|---|---|---|
| Provider | OpenAI | Poolside |
| Noometry Index | 42.5 | 31.9 |
| Released | 2026-05-05 | 2026-04-28 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 33K |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 27 | 3 |
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Category by category
Coding GPT-5.5 Instant leads
GPT-5.5 Instant: 43.7 (#73), Laguna M.1: 36.4 (#195)
| Benchmark | GPT-5.5 Instant | Laguna M.1 |
|---|---|---|
| LMArena WebDev | — | 1348 |
| SciCode | 48.6% | — |
| LMArena Coding | 1433 | — |
Reasoning GPT-5.5 Instant leads
GPT-5.5 Instant: 24.2 (#149), Laguna M.1: 21.9 (#187)
| Benchmark | GPT-5.5 Instant | Laguna M.1 |
|---|---|---|
| CritPt | 0% | — |
| Chess Puzzles | 12% | — |
| LMArena Hard Prompts | 1426 | — |
| Surface Evolver Bench | — | 15.6% |
| Epoch Capabilities Index | 142.48 | — |
Math GPT-5.5 Instant leads
GPT-5.5 Instant: 26.1 (#241), Laguna M.1: 20.3 (#276)
| Benchmark | GPT-5.5 Instant | Laguna M.1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 26.3% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 68.1% | — |
| ProofBench | — | 0% |
| LMArena Math | 1420 | — |
Knowledge Not comparable
GPT-5.5 Instant: 48.9 (#68), Laguna M.1: —
| Benchmark | GPT-5.5 Instant | Laguna M.1 |
|---|---|---|
| GPQA Diamond | 82.5% | — |
| LMArena Expert | 1409 | — |
Multimodal Not comparable
GPT-5.5 Instant: 39.3 (#48), Laguna M.1: —
| Benchmark | GPT-5.5 Instant | Laguna M.1 |
|---|---|---|
| LMArena Vision | 1250 | — |
| LMArena Document | 1403 | — |
Multilingual Not comparable
GPT-5.5 Instant: 53.0 (#76), Laguna M.1: —
| Benchmark | GPT-5.5 Instant | Laguna M.1 |
|---|---|---|
| LMArena Non-English | 1417 | — |
| LMArena Chinese | 1457 | — |
| LMArena French | 1428 | — |
| LMArena German | 1410 | — |
| LMArena Japanese | 1408 | — |
| LMArena Korean | 1393 | — |
| LMArena Russian | 1430 | — |
| LMArena Spanish | 1430 | — |
Instruction Following Not comparable
GPT-5.5 Instant: 74.4 (#94), Laguna M.1: —
| Benchmark | GPT-5.5 Instant | Laguna M.1 |
|---|---|---|
| LMArena Instruction Following | 1407 | — |
Long Context Not comparable
GPT-5.5 Instant: 43.4 (#92), Laguna M.1: —
| Benchmark | GPT-5.5 Instant | Laguna M.1 |
|---|---|---|
| LMArena Longer Query | 1422 | — |
Writing & Preference Not comparable
GPT-5.5 Instant: 62.0 (#81), Laguna M.1: —
| Benchmark | GPT-5.5 Instant | Laguna M.1 |
|---|---|---|
| LMArena Text | 1419 | — |
| LMArena Creative Writing | 1420 | — |
| LMArena Multi-Turn | 1434 | — |
Frequently asked questions
Is GPT-5.5 Instant better than Laguna M.1?
GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 31.9 on the Noometry Index.
Is GPT-5.5 Instant or Laguna M.1 better for coding?
GPT-5.5 Instant scores higher on coding benchmarks: 43.7 versus 36.4 in the Noometry coding category.
How many benchmarks do GPT-5.5 Instant and Laguna M.1 share?
0 benchmarks have published results for both models. GPT-5.5 Instant has 27 scored results on Noometry and Laguna M.1 has 3.