Model comparison
o3-pro vs Palm 2
o3-pro is the stronger model overall, scoring 42.9 to 30.0 on the Noometry Index.
Last verified . 0 shared benchmarks.
GoogleSummary
- The widest gap is in long context, where o3-pro leads 72.2 to 30.8.
Side by side
| o3-pro | Palm 2 | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 42.9 | 30.0 |
| Released | 2025-06-10 | — |
| Weights | Proprietary | Proprietary |
| Context window | 200K | — |
| Max output | 100K | — |
| Input $ / M tokens | $20 | — |
| Output $ / M tokens | $80 | — |
| Results tracked | 12 | 10 |
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Category by category
Coding o3-pro leads
o3-pro: 55.5 (#24), Palm 2: 29.0 (#311)
| Benchmark | o3-pro | Palm 2 |
|---|---|---|
| Aider Polyglot | 84.9% | — |
| WeirdML | 58.2% | — |
| LMArena Coding | — | 994 |
Reasoning o3-pro leads
o3-pro: 23.8 (#171), Palm 2: 19.1 (#271)
| Benchmark | o3-pro | Palm 2 |
|---|---|---|
| ARC-AGI-2 | 4.9% | — |
| Kagi LLM Benchmark | 72.1% | — |
| ARC-AGI-1 | 59.3% | — |
| LMArena Hard Prompts | — | 1005 |
| DTBench | 86.9% | — |
| LMCA | 38.5% | — |
| Epoch Capabilities Index | 147.42 | — |
Math Not comparable
o3-pro: —, Palm 2: 30.8 (#231)
| Benchmark | o3-pro | Palm 2 |
|---|---|---|
| LMArena Math | — | 1049 |
Knowledge Not comparable
o3-pro: 29.5 (#238), Palm 2: —
| Benchmark | o3-pro | Palm 2 |
|---|---|---|
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 23.3% | — |
Multilingual Not comparable
o3-pro: —, Palm 2: 20.9 (#295)
| Benchmark | o3-pro | Palm 2 |
|---|---|---|
| LMArena Non-English | — | 916 |
| LMArena Chinese | — | 887 |
Instruction Following Not comparable
o3-pro: —, Palm 2: 51.0 (#296)
| Benchmark | o3-pro | Palm 2 |
|---|---|---|
| LMArena Instruction Following | — | 1010 |
Long Context o3-pro leads
o3-pro: 72.2 (#1), Palm 2: 30.8 (#285)
| Benchmark | o3-pro | Palm 2 |
|---|---|---|
| Fiction.LiveBench | 97.2% | — |
| LMArena Longer Query | — | 1010 |
Writing & Preference o3-pro leads
o3-pro: 57.1 (#133), Palm 2: 25.6 (#304)
| Benchmark | o3-pro | Palm 2 |
|---|---|---|
| LMArena Text | — | 1027 |
| LMArena Creative Writing | — | 991 |
| Short-Story Creative Writing | 84.4% | — |
| LMArena Multi-Turn | — | 994 |
Frequently asked questions
Is o3-pro better than Palm 2?
o3-pro is the stronger model overall, scoring 42.9 to 30.0 on the Noometry Index.
Is o3-pro or Palm 2 better for coding?
o3-pro scores higher on coding benchmarks: 55.5 versus 29.0 in the Noometry coding category.
How many benchmarks do o3-pro and Palm 2 share?
0 benchmarks have published results for both models. o3-pro has 12 scored results on Noometry and Palm 2 has 10.