Model comparison
Gemini 2.5 Flash vs Nova Premier 1.0
Gemini 2.5 Flash and Nova Premier 1.0 score almost the same on the Noometry Index (39.3 vs 38.3), so choose on price, context window or the category you care about most.
Last verified . 6 shared benchmarks.
GoogleSummary
- They share 6 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 4 categories and Nova Premier 1.0 in 1 category; 4 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where Gemini 2.5 Flash leads 75.7 to 66.8.
- The biggest single-benchmark swing is GPQA (HELM): 39% for Gemini 2.5 Flash and 51.8% for Nova Premier 1.0.
- Gemini 2.5 Flash is cheaper at $0.30 / $2.50 per million input/output tokens, against $2.50 / $12.50 for Nova Premier 1.0.
- Gemini 2.5 Flash accepts more context: 1.05M tokens versus 1M.
Side by side
| Gemini 2.5 Flash | Nova Premier 1.0 | |
|---|---|---|
| Provider | Amazon | |
| Noometry Index | 39.3 | 38.3 |
| Released | 2025-04-17 | 2025-04-30 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1M |
| Max output | 66K | 10K |
| Input $ / M tokens | $0.30 | $2.50 |
| Output $ / M tokens | $2.50 | $12.50 |
| Results tracked | 54 | 6 |
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Category by category
Coding Not comparable
Gemini 2.5 Flash: 35.8 (#220), Nova Premier 1.0: —
| Benchmark | Gemini 2.5 Flash | Nova Premier 1.0 |
|---|---|---|
| SWE-bench Verified (bash only) | 28.7% | — |
| Aider Polyglot | 55.1% | — |
| WeirdML | 41.9% | — |
| LMArena Coding | 1424 | — |
| ALE-Bench | 661.88 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Flash: 30.8 (#74), Nova Premier 1.0: —
| Benchmark | Gemini 2.5 Flash | Nova Premier 1.0 |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| Vending-Bench 2 | 548.84 | — |
Reasoning Nova Premier 1.0 leads
Gemini 2.5 Flash: 18.1 (#286), Nova Premier 1.0: 23.0 (#185)
| Benchmark | Gemini 2.5 Flash | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | 56.8% | 44.8% |
| ARC-AGI-2 | 2.5% | — |
| SimpleBench | 41.2% | — |
| ARC-AGI-1 | 33.3% | — |
| CritPt | 1.1% | — |
| EnigmaEval | 2.7% | — |
| LMArena Hard Prompts | 1422 | — |
| DTBench | 76.5% | — |
| LMCA | 27.5% | — |
| Epoch Capabilities Index | 143.03 | — |
| ForecastBench | 60.6 | — |
Math Gemini 2.5 Flash leads
Gemini 2.5 Flash: 39.9 (#98), Nova Premier 1.0: 33.8 (#199)
| Benchmark | Gemini 2.5 Flash | Nova Premier 1.0 |
|---|---|---|
| Omni-MATH | 38.5% | 35% |
| OTIS Mock AIME 2024-2025 | 73.1% | — |
| LMArena Math | 1415 | — |
| FrontierMath (Feb 2025 set) | 4.8% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Too close to call
Gemini 2.5 Flash: 36.4 (#168), Nova Premier 1.0: 35.8 (#180)
| Benchmark | Gemini 2.5 Flash | Nova Premier 1.0 |
|---|---|---|
| MMLU-Pro | 63.9% | 72.6% |
| GPQA (HELM) | 39% | 51.8% |
| Humanity's Last Exam | 12.1% | — |
| Confabulations | 16.8% | — |
| Vectara Hallucination Rate | 7.8% | — |
| LMArena Expert | 1426 | — |
Multimodal Not comparable
Gemini 2.5 Flash: 41.8 (#32), Nova Premier 1.0: —
| Benchmark | Gemini 2.5 Flash | Nova Premier 1.0 |
|---|---|---|
| LMArena Vision | 1253 | — |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| SpatialViz-Bench | 36.9% | — |
Multilingual Not comparable
Gemini 2.5 Flash: 52.3 (#88), Nova Premier 1.0: —
| Benchmark | Gemini 2.5 Flash | Nova Premier 1.0 |
|---|---|---|
| LMArena Non-English | 1409 | — |
| LMArena Chinese | 1450 | — |
| LMArena French | 1433 | — |
| LMArena German | 1418 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1385 | — |
| LMArena Russian | 1415 | — |
| LMArena Spanish | 1421 | — |
Instruction Following Gemini 2.5 Flash leads
Gemini 2.5 Flash: 75.7 (#54), Nova Premier 1.0: 66.8 (#204)
| Benchmark | Gemini 2.5 Flash | Nova Premier 1.0 |
|---|---|---|
| IFEval | 89.8% | 80.3% |
| LMArena Instruction Following | 1405 | — |
Long Context Not comparable
Gemini 2.5 Flash: 47.5 (#17), Nova Premier 1.0: —
| Benchmark | Gemini 2.5 Flash | Nova Premier 1.0 |
|---|---|---|
| Fiction.LiveBench | 77.8% | — |
| LMArena Longer Query | 1419 | — |
Writing & Preference Gemini 2.5 Flash leads
Gemini 2.5 Flash: 53.8 (#157), Nova Premier 1.0: 51.0 (#178)
| Benchmark | Gemini 2.5 Flash | Nova Premier 1.0 |
|---|---|---|
| WildBench | 81.7% | 78.8% |
| LMArena Text | 1417 | — |
| LMArena Creative Writing | 1400 | — |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| LMArena Multi-Turn | 1408 | — |
Frequently asked questions
Is Gemini 2.5 Flash better than Nova Premier 1.0?
Gemini 2.5 Flash and Nova Premier 1.0 score almost the same on the Noometry Index (39.3 vs 38.3), so choose on price, context window or the category you care about most.
Which is cheaper, Gemini 2.5 Flash or Nova Premier 1.0?
Gemini 2.5 Flash is cheaper. It lists at $0.30 per million input tokens and $2.50 per million output tokens; Nova Premier 1.0 lists at $2.50 and $12.50.
Which has the bigger context window?
Gemini 2.5 Flash does, with 1.05M tokens against 1M.
How many benchmarks do Gemini 2.5 Flash and Nova Premier 1.0 share?
6 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Nova Premier 1.0 has 6.