Model comparison
Chatgpt 4o Latest 20250326 vs Olmo 2 0325 32b Instruct
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 32.7 on the Noometry Index.
Last verified . 11 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 11 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 8 categories and Olmo 2 0325 32b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Chatgpt 4o Latest 20250326 leads 62.6 to 42.1.
- Olmo 2 0325 32b Instruct has downloadable open weights; the other is API-only.
Side by side
| Chatgpt 4o Latest 20250326 | Olmo 2 0325 32b Instruct | |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 43.8 | 32.7 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 21 | 16 |
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Category by category
Coding Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 41.6 (#122), Olmo 2 0325 32b Instruct: 35.2 (#227)
| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Coding | 1413 | 1210 |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 33.8 (#71), Olmo 2 0325 32b Instruct: 23.6 (#175)
| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1208 |
| Kagi LLM Benchmark | 75% | — |
Math Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 38.6 (#134), Olmo 2 0325 32b Instruct: 26.8 (#255)
| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Math | 1407 | 1208 |
| Omni-MATH | — | 16.1% |
Knowledge Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 39.2 (#137), Olmo 2 0325 32b Instruct: 19.5 (#279)
| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 2 0325 32b Instruct |
|---|---|---|
| MMLU-Pro | — | 41.4% |
| Confabulations | 16.6% | — |
| GPQA (HELM) | — | 28.7% |
| LMArena Expert | 1401 | — |
Multimodal Not comparable
Chatgpt 4o Latest 20250326: 39.6 (#58), Olmo 2 0325 32b Instruct: —
| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Vision | 1243 | — |
Multilingual Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 52.9 (#76), Olmo 2 0325 32b Instruct: 34.8 (#248)
| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Non-English | 1419 | 1160 |
| LMArena Chinese | 1457 | 1192 |
| LMArena Russian | 1429 | 1187 |
| LMArena French | 1446 | — |
| LMArena German | 1423 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1396 | — |
| LMArena Spanish | 1434 | — |
Instruction Following Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 74.0 (#107), Olmo 2 0325 32b Instruct: 61.5 (#244)
| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1403 | 1186 |
| IFEval | — | 78% |
Long Context Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 43.1 (#107), Olmo 2 0325 32b Instruct: 36.2 (#234)
| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1413 | 1194 |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 62.6 (#72), Olmo 2 0325 32b Instruct: 42.1 (#236)
| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Text | 1429 | 1218 |
| LMArena Creative Writing | 1405 | 1199 |
| LMArena Multi-Turn | 1454 | 1221 |
| EQ-Bench Creative Writing | 1501 | — |
| WildBench | — | 73.4% |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Olmo 2 0325 32b Instruct?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 32.7 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or Olmo 2 0325 32b Instruct better for coding?
Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 35.2 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and Olmo 2 0325 32b Instruct share?
11 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Olmo 2 0325 32b Instruct has 16.