Model comparison
GPT-5.4 nano vs Olmo 3 32b Think
GPT-5.4 nano is the stronger model overall, scoring 41.9 to 38.1 on the Noometry Index.
Last verified . 14 shared benchmarks.
Summary
- They share 14 benchmarks with published results for both. GPT-5.4 nano scores higher in 7 categories and Olmo 3 32b Think in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.4 nano leads 41.8 to 34.4.
- Olmo 3 32b Think has downloadable open weights; the other is API-only.
Side by side
| GPT-5.4 nano | Olmo 3 32b Think | |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 41.9 | 38.1 |
| Released | 2026-03-17 | — |
| Weights | Proprietary | Open |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.20 | — |
| Output $ / M tokens | $1.25 | — |
| Results tracked | 40 | 14 |
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Category by category
Coding GPT-5.4 nano leads
GPT-5.4 nano: 43.1 (#82), Olmo 3 32b Think: 38.0 (#169)
| Benchmark | GPT-5.4 nano | Olmo 3 32b Think |
|---|---|---|
| LMArena Coding | 1404 | 1318 |
| SciCode | 46.9% | — |
| WeirdML | 49.2% | — |
| ALE-Bench | 1,005 | — |
Reasoning Olmo 3 32b Think leads
GPT-5.4 nano: 23.8 (#159), Olmo 3 32b Think: 24.9 (#138)
| Benchmark | GPT-5.4 nano | Olmo 3 32b Think |
|---|---|---|
| LMArena Hard Prompts | 1380 | 1302 |
| ARC-AGI-2 | 5.7% | — |
| Kagi LLM Benchmark | 39.7% | — |
| ARC-AGI-1 | 51.5% | — |
| CritPt | 9.3% | — |
| Chess Puzzles | 30% | — |
| Mystery Game Puzzles | 9% | — |
| DTBench | 80.3% | — |
| LMCA | 36.9% | — |
| Epoch Capabilities Index | 145.78 | — |
| ForecastBench | 57.3 | — |
Math GPT-5.4 nano leads
GPT-5.4 nano: 40.7 (#76), Olmo 3 32b Think: 33.8 (#165)
| Benchmark | GPT-5.4 nano | Olmo 3 32b Think |
|---|---|---|
| LMArena Math | 1406 | 1315 |
| FrontierMath (Tiers 1-3) | 44.9% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 87.8% | — |
| ProofBench | 5% | — |
| FrontierMath (Feb 2025 set) | 25.9% | — |
| FrontierMath Tier 4 (v1) | 6.3% | — |
Knowledge GPT-5.4 nano leads
GPT-5.4 nano: 41.8 (#94), Olmo 3 32b Think: 34.4 (#189)
| Benchmark | GPT-5.4 nano | Olmo 3 32b Think |
|---|---|---|
| LMArena Expert | 1397 | 1272 |
| GPQA Diamond | 78.5% | — |
| SimpleQA Verified | 11.7% | — |
| Vectara Hallucination Rate | 3.1% | — |
Multimodal Not comparable
GPT-5.4 nano: 36.0 (#73), Olmo 3 32b Think: —
| Benchmark | GPT-5.4 nano | Olmo 3 32b Think |
|---|---|---|
| LMArena Vision | 1196 | — |
Multilingual GPT-5.4 nano leads
GPT-5.4 nano: 48.8 (#136), Olmo 3 32b Think: 41.4 (#205)
| Benchmark | GPT-5.4 nano | Olmo 3 32b Think |
|---|---|---|
| LMArena Non-English | 1359 | 1255 |
| LMArena Chinese | 1391 | 1300 |
| LMArena French | 1396 | 1291 |
| LMArena German | 1368 | 1290 |
| LMArena Russian | 1363 | 1255 |
| LMArena Japanese | 1342 | — |
| LMArena Korean | 1321 | — |
| LMArena Spanish | 1368 | — |
Instruction Following GPT-5.4 nano leads
GPT-5.4 nano: 72.1 (#139), Olmo 3 32b Think: 67.4 (#193)
| Benchmark | GPT-5.4 nano | Olmo 3 32b Think |
|---|---|---|
| LMArena Instruction Following | 1362 | 1275 |
Long Context GPT-5.4 nano leads
GPT-5.4 nano: 41.6 (#131), Olmo 3 32b Think: 39.4 (#177)
| Benchmark | GPT-5.4 nano | Olmo 3 32b Think |
|---|---|---|
| LMArena Longer Query | 1365 | 1296 |
Writing & Preference GPT-5.4 nano leads
GPT-5.4 nano: 55.9 (#137), Olmo 3 32b Think: 49.2 (#188)
| Benchmark | GPT-5.4 nano | Olmo 3 32b Think |
|---|---|---|
| LMArena Text | 1372 | 1300 |
| LMArena Creative Writing | 1313 | 1256 |
| LMArena Multi-Turn | 1382 | 1289 |
Frequently asked questions
Is GPT-5.4 nano better than Olmo 3 32b Think?
GPT-5.4 nano is the stronger model overall, scoring 41.9 to 38.1 on the Noometry Index.
Is GPT-5.4 nano or Olmo 3 32b Think better for coding?
GPT-5.4 nano scores higher on coding benchmarks: 43.1 versus 38.0 in the Noometry coding category.
How many benchmarks do GPT-5.4 nano and Olmo 3 32b Think share?
14 benchmarks have published results for both models. GPT-5.4 nano has 40 scored results on Noometry and Olmo 3 32b Think has 14.