Model comparison
GPT-5 Nano vs Palm 2
GPT-5 Nano is the stronger model overall, scoring 33.4 to 29.4 on the Noometry Index.
Last verified . 10 shared benchmarks.
GoogleSummary
- They share 10 benchmarks with published results for both. GPT-5 Nano scores higher in 6 categories and Palm 2 in 1 category; 5 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where GPT-5 Nano leads 45.5 to 21.1.
Side by side
| GPT-5 Nano | Palm 2 | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 33.4 | 29.4 |
| Released | 2025-08-07 | — |
| Weights | Proprietary | Proprietary |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.05 | — |
| Output $ / M tokens | $0.40 | — |
| Results tracked | 48 | 10 |
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Category by category
Coding GPT-5 Nano leads
GPT-5 Nano: 33.3 (#248), Palm 2: 28.5 (#306)
| Benchmark | GPT-5 Nano | Palm 2 |
|---|---|---|
| LMArena Coding | 1351 | 995 |
| SWE-bench Verified (bash only) | 34.8% | — |
| WeirdML | 38.1% | — |
| ALE-Bench | 718.67 | — |
Agentic & Tool Use Not comparable
GPT-5 Nano: 25.6 (#99), Palm 2: —
| Benchmark | GPT-5 Nano | Palm 2 |
|---|---|---|
| Terminal-Bench | 21.8% | — |
| Berkeley Function Calling Leaderboard | 51.5% | — |
Reasoning Palm 2 leads
GPT-5 Nano: 16.4 (#291), Palm 2: 18.2 (#270)
| Benchmark | GPT-5 Nano | Palm 2 |
|---|---|---|
| LMArena Hard Prompts | 1329 | 1005 |
| ARC-AGI-2 | 2.6% | — |
| Kagi LLM Benchmark | 62.2% | — |
| ARC-AGI-1 | 20.7% | — |
| Chess Puzzles | 27% | — |
| Mystery Game Puzzles | 9% | — |
| DTBench | 62.7% | — |
| LMCA | 7.9% | — |
| Epoch Capabilities Index | 139.39 | — |
| ForecastBench | 59.1 | — |
Math Too close to call
GPT-5 Nano: 29.1 (#221), Palm 2: 28.4 (#229)
| Benchmark | GPT-5 Nano | Palm 2 |
|---|---|---|
| LMArena Math | 1318 | 1049 |
| FrontierMath (Tiers 1-3) | 20% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 81.1% | — |
| ProofBench | 12% | — |
| Omni-MATH | 54.6% | — |
| MATH Level 5 | 95.2% | — |
| FrontierMath (Feb 2025 set) | 8.3% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge Not comparable
GPT-5 Nano: 35.8 (#166), Palm 2: —
| Benchmark | GPT-5 Nano | Palm 2 |
|---|---|---|
| GPQA Diamond | 69.4% | — |
| SimpleQA Verified | 11.7% | — |
| MMLU-Pro | 77.8% | — |
| Vectara Hallucination Rate | 10.5% | — |
| GPQA (HELM) | 67.9% | — |
| LMArena Expert | 1321 | — |
Multimodal Not comparable
GPT-5 Nano: 30.7 (#102), Palm 2: —
| Benchmark | GPT-5 Nano | Palm 2 |
|---|---|---|
| LMArena Vision | 1159 | — |
| VPCT | 37.2% | — |
Multilingual GPT-5 Nano leads
GPT-5 Nano: 45.5 (#167), Palm 2: 21.1 (#290)
| Benchmark | GPT-5 Nano | Palm 2 |
|---|---|---|
| LMArena Non-English | 1313 | 916 |
| LMArena Chinese | 1355 | 887 |
| LMArena German | 1329 | — |
| LMArena Korean | 1269 | — |
| LMArena Russian | 1296 | — |
| LMArena Spanish | 1360 | — |
Instruction Following GPT-5 Nano leads
GPT-5 Nano: 75.2 (#72), Palm 2: 51.3 (#291)
| Benchmark | GPT-5 Nano | Palm 2 |
|---|---|---|
| LMArena Instruction Following | 1306 | 1010 |
| IFEval | 93.2% | — |
Long Context Too close to call
GPT-5 Nano: 31.3 (#275), Palm 2: 30.7 (#280)
| Benchmark | GPT-5 Nano | Palm 2 |
|---|---|---|
| LMArena Longer Query | 1313 | 1010 |
| Fiction.LiveBench | 44.4% | — |
Writing & Preference GPT-5 Nano leads
GPT-5 Nano: 39.4 (#244), Palm 2: 25.7 (#299)
| Benchmark | GPT-5 Nano | Palm 2 |
|---|---|---|
| LMArena Text | 1320 | 1027 |
| LMArena Creative Writing | 1250 | 991 |
| LMArena Multi-Turn | 1311 | 994 |
| EQ-Bench Creative Writing | 705 | — |
| WildBench | 80.6% | — |
Frequently asked questions
Is GPT-5 Nano better than Palm 2?
GPT-5 Nano is the stronger model overall, scoring 33.4 to 29.4 on the Noometry Index.
Is GPT-5 Nano or Palm 2 better for coding?
GPT-5 Nano scores higher on coding benchmarks: 33.3 versus 28.5 in the Noometry coding category.
How many benchmarks do GPT-5 Nano and Palm 2 share?
10 benchmarks have published results for both models. GPT-5 Nano has 48 scored results on Noometry and Palm 2 has 10.