Model comparison
Nova Premier 1.0 vs o3-pro
o3-pro is the stronger model overall, scoring 42.9 to 38.3 on the Noometry Index. Nova Premier 1.0 costs 7.0× less per token, which makes it the better buy when o3-pro's lead doesn't matter for your workload.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. Nova Premier 1.0 scores higher in 1 category and o3-pro in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Nova Premier 1.0 leads 35.8 to 29.5.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 44.8% for Nova Premier 1.0 and 72.1% for o3-pro.
- Nova Premier 1.0 is cheaper at $2.50 / $12.50 per million input/output tokens, against $20 / $80 for o3-pro.
- Nova Premier 1.0 accepts more context: 1M tokens versus 200K.
Side by side
| Nova Premier 1.0 | o3-pro | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 38.3 | 42.9 |
| Released | 2025-04-30 | 2025-06-10 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 200K |
| Max output | 10K | 100K |
| Input $ / M tokens | $2.50 | $20 |
| Output $ / M tokens | $12.50 | $80 |
| Results tracked | 6 | 12 |
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Category by category
Coding Not comparable
Nova Premier 1.0: —, o3-pro: 55.5 (#24)
| Benchmark | Nova Premier 1.0 | o3-pro |
|---|---|---|
| Aider Polyglot | — | 84.9% |
| WeirdML | — | 58.2% |
Reasoning Too close to call
Nova Premier 1.0: 23.0 (#185), o3-pro: 23.8 (#171)
| Benchmark | Nova Premier 1.0 | o3-pro |
|---|---|---|
| Kagi LLM Benchmark | 44.8% | 72.1% |
| ARC-AGI-2 | — | 4.9% |
| ARC-AGI-1 | — | 59.3% |
| DTBench | — | 86.9% |
| LMCA | — | 38.5% |
| Epoch Capabilities Index | — | 147.42 |
Math Not comparable
Nova Premier 1.0: 33.8 (#199), o3-pro: —
| Benchmark | Nova Premier 1.0 | o3-pro |
|---|---|---|
| Omni-MATH | 35% | — |
Knowledge Nova Premier 1.0 leads
Nova Premier 1.0: 35.8 (#180), o3-pro: 29.5 (#238)
| Benchmark | Nova Premier 1.0 | o3-pro |
|---|---|---|
| MMLU-Pro | 72.6% | — |
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 23.3% |
| GPQA (HELM) | 51.8% | — |
Instruction Following Not comparable
Nova Premier 1.0: 66.8 (#204), o3-pro: —
| Benchmark | Nova Premier 1.0 | o3-pro |
|---|---|---|
| IFEval | 80.3% | — |
Long Context Not comparable
Nova Premier 1.0: —, o3-pro: 72.2 (#1)
| Benchmark | Nova Premier 1.0 | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |
Writing & Preference o3-pro leads
Nova Premier 1.0: 51.0 (#178), o3-pro: 57.1 (#133)
| Benchmark | Nova Premier 1.0 | o3-pro |
|---|---|---|
| Short-Story Creative Writing | — | 84.4% |
| WildBench | 78.8% | — |
Frequently asked questions
Is Nova Premier 1.0 better than o3-pro?
o3-pro is the stronger model overall, scoring 42.9 to 38.3 on the Noometry Index. Nova Premier 1.0 costs 7.0× less per token, which makes it the better buy when o3-pro's lead doesn't matter for your workload.
Which is cheaper, Nova Premier 1.0 or o3-pro?
Nova Premier 1.0 is cheaper. It lists at $2.50 per million input tokens and $12.50 per million output tokens; o3-pro lists at $20 and $80.
Which has the bigger context window?
Nova Premier 1.0 does, with 1M tokens against 200K.
How many benchmarks do Nova Premier 1.0 and o3-pro share?
1 benchmark has published results for both models. Nova Premier 1.0 has 6 scored results on Noometry and o3-pro has 12.