Nova Premier 1.0 vs Gemini 3.1 Pro Preview Custom Tools
Nova Premier 1.0 and Gemini 3.1 Pro Preview Custom Tools cost about the same per output token ($12.50 vs $12.00 per million). Updated October 22, 2026; no benchmark has tested both models yet.
- Coding
- No data
- Overall
- No data
- Output $/M
- $12.50
- Coding
- No data
- Overall
- No data
- Output $/M
- $12.00
Nova Premier 1.0 or Gemini 3.1 Pro Preview Custom Tools: which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Compare them on price, context and the boards below.
No benchmark has tested both yet. Nova Premier 1.0 has results on LiveCodeBench (Artificial Analysis run), Terminal-Bench Hard (Artificial Analysis run) and ALE-Bench; Gemini 3.1 Pro Preview Custom Tools on Vending-Bench 2. Compare them on price and context instead.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
No call
Neither has a coding score yet.
One side not measured
Intelligence
AA Intelligence Index
No call
Only Nova Premier 1.0 has a AA Intelligence Index result, 9.2.
Directional only
Web design
Design Arena: websites
No call
Only Nova Premier 1.0 has a Design Arena: websites result, 835.
Directional only
Long documents
Listed context window
Gemini 3.1 Pro Preview Custom Tools
Gemini 3.1 Pro Preview Custom Tools takes 1.05M tokens against 1M.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Gemini 3.1 Pro Preview Custom Tools
Nova Premier 1.0 $0.0088, Gemini 3.1 Pro Preview Custom Tools $0.0080 per turn.
List prices
At a glance
- Coding index
- Nova Premier 1.0 not benchmarked, Gemini 3.1 Pro Preview Custom Tools not benchmarked.
- Widest category
- None yet: no category has been tested on both models.
- Widest single gap
- None yet: no benchmark has tested both models.
- Output price
- Nova Premier 1.0 $12.50 against Gemini 3.1 Pro Preview Custom Tools $12.00 per million output tokens, 1.0x apart.
- Context window
- Nova Premier 1.0 takes 1M tokens, Gemini 3.1 Pro Preview Custom Tools 1.05M.
Benchmark by benchmark
Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.
CodingDirectional onlySix of these boards feed the Vibe Coding Index3 boards measured
| Benchmark | Nova Premier 1.0 | Gemini 3.1 Pro Preview Custom Tools | Leader |
|---|---|---|---|
| LiveCodeBench (Artificial Analysis run) | 31.7% | Not measured | Only Nova Premier 1.0 measured |
| Terminal-Bench Hard (Artificial Analysis run) | 6.8% | Not measured | Only Nova Premier 1.0 measured |
| ALE-Bench | 147.4 | Not measured | Only Nova Premier 1.0 measured |
| Neither model has a result on the other 36 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Nova Premier 1.0 | Gemini 3.1 Pro Preview Custom Tools | Leader |
|---|---|---|---|
| AA Intelligence Index | 9.2 | Not measured | Only Nova Premier 1.0 measured |
| Neither model has a result on the other 1 board here | |||
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
| Benchmark | Nova Premier 1.0 | Gemini 3.1 Pro Preview Custom Tools | Leader |
|---|---|---|---|
| τ²-Bench Telecom | 38.3% | Not measured | Only Nova Premier 1.0 measured |
| Vending-Bench 2 | Not measured | $3,774 | Only Gemini 3.1 Pro Preview Custom Tools measured |
| Neither model has a result on the other 39 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index3 boards measured
| Benchmark | Nova Premier 1.0 | Gemini 3.1 Pro Preview Custom Tools | Leader |
|---|---|---|---|
| GPQA Diamond (Artificial Analysis run) | 56.9% | Not measured | Only Nova Premier 1.0 measured |
| Humanity's Last Exam (Artificial Analysis run) | 4.2% | Not measured | Only Nova Premier 1.0 measured |
| Kagi LLM Benchmark | 44.8% | Not measured | Only Nova Premier 1.0 measured |
| Neither model has a result on the other 19 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
| Benchmark | Nova Premier 1.0 | Gemini 3.1 Pro Preview Custom Tools | Leader |
|---|---|---|---|
| AA Math Index | 17.3 | Not measured | Only Nova Premier 1.0 measured |
| AIME 2025 (Artificial Analysis run) | 17.3% | Not measured | Only Nova Premier 1.0 measured |
| Neither model has a result on the other 11 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Nova Premier 1.0 | Gemini 3.1 Pro Preview Custom Tools | Leader |
|---|---|---|---|
| MMLU Pro (Artificial Analysis run) | 73.3% | Not measured | Only Nova Premier 1.0 measured |
| Neither model has a result on the other 17 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Nova Premier 1.0 | Gemini 3.1 Pro Preview Custom Tools | Leader |
|---|---|---|---|
| Design Arena: websites | 835 | Not measured | Only Nova Premier 1.0 measured |
| Neither model has a result on the other 8 boards here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
| Benchmark | Nova Premier 1.0 | Gemini 3.1 Pro Preview Custom Tools | Leader |
|---|---|---|---|
| IFBench | 36.2% | Not measured | Only Nova Premier 1.0 measured |
| Long context reasoning (AA-LCR) | 34.3% | Not measured | Only Nova Premier 1.0 measured |
| Neither model has a result on the other 44 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Gemini 3.1 Pro Preview Custom Tools costs less
Repository review
50K input + 3K output tokens
Gemini 3.1 Pro Preview Custom Tools costs less
Agent loop
200K input + 10K output tokens
Gemini 3.1 Pro Preview Custom Tools costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | Amazon Nova Premier 1.0 | Google Gemini 3.1 Pro Preview Custom Tools |
|---|---|---|
| Maker | Amazon | |
| Weights | No public weights listed | No public weights listed |
| Released | October 31, 2025 | February 25, 2026 |
| Context window | 1M | 1.05M |
| Input $/Mtok | $2.50 | $2.00 |
| Output $/Mtok | $12.50 | $12.00 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 0 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Nova Premier 1.0 better than Gemini 3.1 Pro Preview Custom Tools for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Compare them on price, context and the boards below.
Which is cheaper, Nova Premier 1.0 or Gemini 3.1 Pro Preview Custom Tools?
Nova Premier 1.0 costs $2.50 per million input tokens and $12.50 per million output tokens; Gemini 3.1 Pro Preview Custom Tools costs $2.00 and $12.00. Cost per solved task is known for neither of them.
Which has the bigger context window, Nova Premier 1.0 or Gemini 3.1 Pro Preview Custom Tools?
Gemini 3.1 Pro Preview Custom Tools, with 1.05M tokens against 1M.
Has any benchmark tested both Nova Premier 1.0 and Gemini 3.1 Pro Preview Custom Tools?
No benchmark has tested both yet. Nova Premier 1.0 has results on LiveCodeBench (Artificial Analysis run), Terminal-Bench Hard (Artificial Analysis run) and ALE-Bench; Gemini 3.1 Pro Preview Custom Tools on Vending-Bench 2. Compare them on price and context instead. Data as of October 22, 2026.