Model comparison
GPT-5 Mini vs Laguna M.1
GPT-5 Mini is the stronger model overall, scoring 41.8 to 32.5 on the Noometry Index.
Last verified . 1 shared benchmarks.
PoolsideSummary
- They share 1 benchmark with published results for both. GPT-5 Mini scores higher in 3 categories and Laguna M.1 in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5 Mini leads 46.7 to 21.1.
- The biggest single-benchmark swing is ProofBench: 9% for GPT-5 Mini and 0% for Laguna M.1.
- GPT-5 Mini accepts more context: 400K tokens versus 262K.
- Laguna M.1 has downloadable open weights; the other is API-only.
Side by side
| GPT-5 Mini | Laguna M.1 | |
|---|---|---|
| Provider | OpenAI | Poolside |
| Noometry Index | 41.8 | 32.5 |
| Released | 2025-08-07 | 2026-04-28 |
| Weights | Proprietary | Open |
| Context window | 400K | 262K |
| Max output | 128K | 33K |
| Input $ / M tokens | $0.25 | — |
| Output $ / M tokens | $2 | — |
| Results tracked | 60 | 3 |
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Category by category
Coding GPT-5 Mini leads
GPT-5 Mini: 40.1 (#146), Laguna M.1: 36.6 (#204)
| Benchmark | GPT-5 Mini | Laguna M.1 |
|---|---|---|
| SWE-bench Verified | 64.7% | — |
| SWE-bench Verified (bash only) | 59.8% | — |
| LMArena WebDev | — | 1349 |
| SWE-bench Multilingual | 39.7% | — |
| SciCode | 39.2% | — |
| WeirdML | 52.7% | — |
| LMArena Coding | 1406 | — |
| ALE-Bench | 799.77 | — |
| AlgoTune | 1.38 | — |
Agentic & Tool Use Not comparable
GPT-5 Mini: 31.1 (#70), Laguna M.1: —
| Benchmark | GPT-5 Mini | Laguna M.1 |
|---|---|---|
| Terminal-Bench | 34.8% | — |
| Berkeley Function Calling Leaderboard | 55.5% | — |
| Vending-Bench 2 | -31.18 | — |
Reasoning Too close to call
GPT-5 Mini: 23.9 (#168), Laguna M.1: 23.1 (#184)
| Benchmark | GPT-5 Mini | Laguna M.1 |
|---|---|---|
| ARC-AGI-2 | 4.4% | — |
| Kagi LLM Benchmark | 70.3% | — |
| ARC-AGI-1 | 54.3% | — |
| CritPt | 0% | — |
| Chess Puzzles | 30% | — |
| EnigmaEval | 8.2% | — |
| LMArena Hard Prompts | 1380 | — |
| Mystery Game Puzzles | 10% | — |
| DTBench | 80.5% | — |
| LMCA | 34.2% | — |
| Surface Evolver Bench | — | 15.6% |
| Epoch Capabilities Index | 145.52 | — |
| ForecastBench | 61 | — |
Math GPT-5 Mini leads
GPT-5 Mini: 46.7 (#69), Laguna M.1: 21.1 (#283)
| Benchmark | GPT-5 Mini | Laguna M.1 |
|---|---|---|
| ProofBench | 9% | 0% |
| FrontierMath (Tiers 1-3) | 46.7% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 86.7% | — |
| Omni-MATH | 72.2% | — |
| LMArena Math | 1378 | — |
| MATH Level 5 | 97.8% | — |
| FrontierMath (Feb 2025 set) | 27.2% | — |
| FrontierMath Tier 4 (v1) | 6.3% | — |
Knowledge Not comparable
GPT-5 Mini: 45.6 (#86), Laguna M.1: —
| Benchmark | GPT-5 Mini | Laguna M.1 |
|---|---|---|
| GPQA Diamond | 75% | — |
| Humanity's Last Exam | 19.4% | — |
| SimpleQA Verified | 21.6% | — |
| MMLU-Pro | 83.5% | — |
| Confabulations | 13.3% | — |
| Vectara Hallucination Rate | 12.9% | — |
| GPQA (HELM) | 75.6% | — |
| LMArena Expert | 1379 | — |
Multimodal Not comparable
GPT-5 Mini: 35.6 (#85), Laguna M.1: —
| Benchmark | GPT-5 Mini | Laguna M.1 |
|---|---|---|
| LMArena Vision | 1202 | — |
| VPCT | 40.2% | — |
Multilingual Not comparable
GPT-5 Mini: 48.9 (#137), Laguna M.1: —
| Benchmark | GPT-5 Mini | Laguna M.1 |
|---|---|---|
| LMArena Non-English | 1363 | — |
| LMArena Chinese | 1385 | — |
| LMArena French | 1386 | — |
| LMArena German | 1366 | — |
| LMArena Japanese | 1341 | — |
| LMArena Korean | 1308 | — |
| LMArena Russian | 1362 | — |
| LMArena Spanish | 1355 | — |
Instruction Following Not comparable
GPT-5 Mini: 76.2 (#46), Laguna M.1: —
| Benchmark | GPT-5 Mini | Laguna M.1 |
|---|---|---|
| IFEval | 92.7% | — |
| LMArena Instruction Following | 1357 | — |
Long Context Not comparable
GPT-5 Mini: 41.9 (#132), Laguna M.1: —
| Benchmark | GPT-5 Mini | Laguna M.1 |
|---|---|---|
| Fiction.LiveBench | 69.4% | — |
| LMArena Longer Query | 1355 | — |
Writing & Preference Not comparable
GPT-5 Mini: 55.2 (#148), Laguna M.1: —
| Benchmark | GPT-5 Mini | Laguna M.1 |
|---|---|---|
| LMArena Text | 1373 | — |
| LMArena Creative Writing | 1325 | — |
| Short-Story Creative Writing | 83.1% | — |
| EQ-Bench Creative Writing | 1313 | — |
| WildBench | 85.5% | — |
| LMArena Multi-Turn | 1363 | — |
Frequently asked questions
Is GPT-5 Mini better than Laguna M.1?
GPT-5 Mini is the stronger model overall, scoring 41.8 to 32.5 on the Noometry Index.
Is GPT-5 Mini or Laguna M.1 better for coding?
GPT-5 Mini scores higher on coding benchmarks: 40.1 versus 36.6 in the Noometry coding category.
Which has the bigger context window?
GPT-5 Mini does, with 400K tokens against 262K.
How many benchmarks do GPT-5 Mini and Laguna M.1 share?
1 benchmark has published results for both models. GPT-5 Mini has 60 scored results on Noometry and Laguna M.1 has 3.