Model comparison
GPT-5 Pro vs Nova Premier 1.0
GPT-5 Pro is the stronger model overall, scoring 46.4 to 38.3 on the Noometry Index. Nova Premier 1.0 costs 8.3× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. GPT-5 Pro scores higher in 3 categories and Nova Premier 1.0 in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 35.8.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 76.8% for GPT-5 Pro and 44.8% for Nova Premier 1.0.
- Nova Premier 1.0 is cheaper at $2.50 / $12.50 per million input/output tokens, against $15 / $120 for GPT-5 Pro.
- Nova Premier 1.0 accepts more context: 1M tokens versus 400K.
Side by side
| GPT-5 Pro | Nova Premier 1.0 | |
|---|---|---|
| Provider | OpenAI | Amazon |
| Noometry Index | 46.4 | 38.3 |
| Released | 2025-10-06 | 2025-04-30 |
| Weights | Proprietary | Proprietary |
| Context window | 400K | 1M |
| Max output | 272K | 10K |
| Input $ / M tokens | $15 | $2.50 |
| Output $ / M tokens | $120 | $12.50 |
| Results tracked | 12 | 6 |
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Category by category
Coding Not comparable
GPT-5 Pro: 44.0 (#80), Nova Premier 1.0: —
Reasoning GPT-5 Pro leads
GPT-5 Pro: 38.9 (#62), Nova Premier 1.0: 23.0 (#185)
| Benchmark | GPT-5 Pro | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | 76.8% | 44.8% |
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| ARC-AGI-1 | 70.2% | — |
| EnigmaEval | 18.8% | — |
| Epoch Capabilities Index | 150.28 | — |
Math GPT-5 Pro leads
GPT-5 Pro: 48.5 (#63), Nova Premier 1.0: 33.8 (#199)
| Benchmark | GPT-5 Pro | Nova Premier 1.0 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| Omni-MATH | — | 35% |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge GPT-5 Pro leads
GPT-5 Pro: 56.7 (#42), Nova Premier 1.0: 35.8 (#180)
| Benchmark | GPT-5 Pro | Nova Premier 1.0 |
|---|---|---|
| Humanity's Last Exam | 31.6% | — |
| MMLU-Pro | — | 72.6% |
| GPQA (HELM) | — | 51.8% |
Instruction Following Not comparable
GPT-5 Pro: —, Nova Premier 1.0: 66.8 (#204)
| Benchmark | GPT-5 Pro | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
Writing & Preference Not comparable
GPT-5 Pro: —, Nova Premier 1.0: 51.0 (#178)
| Benchmark | GPT-5 Pro | Nova Premier 1.0 |
|---|---|---|
| WildBench | — | 78.8% |
Frequently asked questions
Is GPT-5 Pro better than Nova Premier 1.0?
GPT-5 Pro is the stronger model overall, scoring 46.4 to 38.3 on the Noometry Index. Nova Premier 1.0 costs 8.3× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.
Which is cheaper, GPT-5 Pro or Nova Premier 1.0?
Nova Premier 1.0 is cheaper. It lists at $2.50 per million input tokens and $12.50 per million output tokens; GPT-5 Pro lists at $15 and $120.
Which has the bigger context window?
Nova Premier 1.0 does, with 1M tokens against 400K.
How many benchmarks do GPT-5 Pro and Nova Premier 1.0 share?
1 benchmark has published results for both models. GPT-5 Pro has 12 scored results on Noometry and Nova Premier 1.0 has 6.