Nova Premier 1.0 vs Claude Sonnet 4.5
Claude Sonnet 4.5 leads Nova Premier 1.0 on the Artificial Analysis Intelligence Index, 20.7 to 9.2, and Nova Premier 1.0 costs 1.2x less per output token ($12.50 vs $15.00 per million). Updated October 22, 2026; 3 benchmarks have a result for both.
Nova Premier 1.0 or Claude Sonnet 4.5: which to pick
Only Claude Sonnet 4.5 has a coding score, 39.5 on the Vibe Coding Index; Nova Premier 1.0 has none, so the two cannot be ranked on coding.
Pick Nova Premier 1.0 for output tokens 1.2x cheaper ($12.50 vs $15.00 per million).
- Shared results
- 3
- Nova Premier 1.0 only
- 11
- Claude Sonnet 4.5 only
- 92
- Like-for-like categories
- 3 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
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
Only Claude Sonnet 4.5 has a coding score, so no call is made.
One side not measured
Intelligence
AA Intelligence Index
Claude Sonnet 4.5
Claude Sonnet 4.5 leads, 20.7 against 9.2.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Claude Sonnet 4.5 has a AA Agentic Index result, 15.8.
Directional only
Reasoning
GPQA Diamond
No call
Only Claude Sonnet 4.5 has a GPQA Diamond result, 81.6%.
Directional only
Math
AIME
No call
Only Claude Sonnet 4.5 has a AIME result, 88.2%.
Directional only
Knowledge
MMLU Pro
No call
Only Claude Sonnet 4.5 has a MMLU Pro result, 87.4%.
Directional only
Web design
Design Arena: websites
Claude Sonnet 4.5
Claude Sonnet 4.5 leads, 1189 against 835.
Same board, both measured
Long documents
Listed context window
No call
Both take 1M tokens.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Nova Premier 1.0
Nova Premier 1.0 $0.0088, Claude Sonnet 4.5 $0.011 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Claude Sonnet 4.5 has the number, $1.16.
Directional only
At a glance
- Coding index
- Nova Premier 1.0 not benchmarked, Claude Sonnet 4.5 39.5 from 3 benchmarks.
- Widest category
- Web design, 44.2 points apart on average over 1 shared benchmark.
- Widest single gap
- Design Arena: websites: Nova Premier 1.0 835 against Claude Sonnet 4.5 1189, 44.2 points apart on a 0 to 100 scale.
- Output price
- Nova Premier 1.0 $12.50 against Claude Sonnet 4.5 $15.00 per million output tokens, 1.2x apart.
- Context window
- Both take 1M tokens.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | Nova Premier 1.0 | Bars | Claude Sonnet 4.5 | Ties |
|---|---|---|---|---|
| Intelligence | 0 | 1 | ||
| Reasoning | 0 | 1 | ||
| Web design | 0 | 1 | ||
| All shared boards | 0 | 3 |
CodingDirectional onlySix of these boards feed the Vibe Coding Index18 boards, none shared
| Benchmark | Nova Premier 1.0 | Claude Sonnet 4.5 | Leader |
|---|---|---|---|
| SWE-bench Verified | Not measured | 74.8% | Only Claude Sonnet 4.5 measured |
| SWE-bench Multilingual | Not measured | 67.0% | Only Claude Sonnet 4.5 measured |
| LMArena WebDev | Not measured | 1394 | Only Claude Sonnet 4.5 measured |
| AA Coding Index | Not measured | 52.1 | Only Claude Sonnet 4.5 measured |
| LiveCodeBench (Vals AI) | Not measured | 73.0% | Only Claude Sonnet 4.5 measured |
| SWE-bench Verified (Vals AI) | Not measured | 70.0% | Only Claude Sonnet 4.5 measured |
| Vibe Code Bench (Vals AI) | Not measured | 22.6% | Only Claude Sonnet 4.5 measured |
| 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 |
| Terminal-Bench | Not measured | 46.5% | Only Claude Sonnet 4.5 measured |
| GSO-Bench | Not measured | 14.7% | Only Claude Sonnet 4.5 measured |
| WeirdML | Not measured | 47.7% | Only Claude Sonnet 4.5 measured |
| Cybench | Not measured | 60.0% | Only Claude Sonnet 4.5 measured |
| ALE-Bench | 147.4 | Not measured | Only Nova Premier 1.0 measured |
| LMArena Text: coding | Not measured | 1488 | Only Claude Sonnet 4.5 measured |
| LMArena Text: software and IT | Not measured | 1473 | Only Claude Sonnet 4.5 measured |
| LMArena WebDev: React | Not measured | 1386 | Only Claude Sonnet 4.5 measured |
| LMArena WebDev: HTML | Not measured | 1399 | Only Claude Sonnet 4.5 measured |
| Neither model has a result on the other 21 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Nova Premier 1.0 | Claude Sonnet 4.5 | Leader |
|---|---|---|---|
| AA Intelligence Index | 9.2 | 20.7 | Claude Sonnet 4.5 |
| Epoch Capabilities Index | Not measured | 146.7 | Only Claude Sonnet 4.5 measured |
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index12 boards, none shared
| Benchmark | Nova Premier 1.0 | Claude Sonnet 4.5 | Leader |
|---|---|---|---|
| AA Agentic Index | Not measured | 15.8 | Only Claude Sonnet 4.5 measured |
| Design Arena: agents building web apps | Not measured | 1060 | Only Claude Sonnet 4.5 measured |
| Design Arena: agents building full-stack apps | Not measured | 1050 | Only Claude Sonnet 4.5 measured |
| Design Arena: agents building mobile apps | Not measured | 1137 | Only Claude Sonnet 4.5 measured |
| τ²-Bench Telecom | 38.3% | Not measured | Only Nova Premier 1.0 measured |
| METR time horizons | Not measured | 67.4% | Only Claude Sonnet 4.5 measured |
| Remote Labor Index | Not measured | 2.1% | Only Claude Sonnet 4.5 measured |
| GDPval | Not measured | 42.5% | Only Claude Sonnet 4.5 measured |
| DeepResearch Bench | Not measured | 52.6% | Only Claude Sonnet 4.5 measured |
| OSWorld | Not measured | 62.9% | Only Claude Sonnet 4.5 measured |
| Vending-Bench 2 | Not measured | $3,839 | Only Claude Sonnet 4.5 measured |
| Berkeley Function Calling Leaderboard (BFCL) | Not measured | 73.2% | Only Claude Sonnet 4.5 measured |
| Neither model has a result on the other 29 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Nova Premier 1.0 | Claude Sonnet 4.5 | Leader |
|---|---|---|---|
| GPQA Diamond | Not measured | 81.6% | Only Claude Sonnet 4.5 measured |
| MMMU Pro (Vals AI) | Not measured | 79.3% | Only Claude Sonnet 4.5 measured |
| 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 |
| GPQA Diamond (Epoch AI run) | Not measured | 82.3% | Only Claude Sonnet 4.5 measured |
| ARC-AGI | Not measured | 63.7% | Only Claude Sonnet 4.5 measured |
| ARC-AGI-2 | Not measured | 13.6% | Only Claude Sonnet 4.5 measured |
| SimpleBench | Not measured | 54.3% | Only Claude Sonnet 4.5 measured |
| Chess puzzles | Not measured | 10.0% | Only Claude Sonnet 4.5 measured |
| Mystery game puzzles | Not measured | 17.0% | Only Claude Sonnet 4.5 measured |
| EBR-bench | Not measured | 2.4% | Only Claude Sonnet 4.5 measured |
| VPCT | Not measured | 39.8% | Only Claude Sonnet 4.5 measured |
| LMArena Text: hard prompts | Not measured | 1462 | Only Claude Sonnet 4.5 measured |
| LMArena Text: expert | Not measured | 1483 | Only Claude Sonnet 4.5 measured |
| LMArena Text: hard prompts in English | Not measured | 1471 | Only Claude Sonnet 4.5 measured |
| Kagi LLM Benchmark | 44.8% | 57.9% | Claude Sonnet 4.5 |
| Neither model has a result on the other 6 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index11 boards, none shared
| Benchmark | Nova Premier 1.0 | Claude Sonnet 4.5 | Leader |
|---|---|---|---|
| AIME | Not measured | 88.2% | Only Claude Sonnet 4.5 measured |
| MGSM (Vals AI) | Not measured | 94.3% | Only Claude Sonnet 4.5 measured |
| 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 |
| OTIS Mock AIME | Not measured | 77.8% | Only Claude Sonnet 4.5 measured |
| FrontierMath, tiers 1 to 3 | Not measured | 23.9% | Only Claude Sonnet 4.5 measured |
| FrontierMath, tier 4 | Not measured | 2.4% | Only Claude Sonnet 4.5 measured |
| ProofBench | Not measured | 19.0% | Only Claude Sonnet 4.5 measured |
| MATH level 5 | Not measured | 97.7% | Only Claude Sonnet 4.5 measured |
| LMArena Text: math | Not measured | 1449 | Only Claude Sonnet 4.5 measured |
| LMArena Text: mathematical work | Not measured | 1462 | Only Claude Sonnet 4.5 measured |
| Neither model has a result on the other 2 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index15 boards, none shared
| Benchmark | Nova Premier 1.0 | Claude Sonnet 4.5 | Leader |
|---|---|---|---|
| MMLU Pro | Not measured | 87.4% | Only Claude Sonnet 4.5 measured |
| LegalBench (Vals AI) | Not measured | 84.1% | Only Claude Sonnet 4.5 measured |
| CaseLaw (Vals AI) | Not measured | 62.2% | Only Claude Sonnet 4.5 measured |
| CorpFin (Vals AI) | Not measured | 62.0% | Only Claude Sonnet 4.5 measured |
| TaxEval (Vals AI) | Not measured | 73.3% | Only Claude Sonnet 4.5 measured |
| MortgageTax (Vals AI) | Not measured | 64.0% | Only Claude Sonnet 4.5 measured |
| MedQA (Vals AI) | Not measured | 94.7% | Only Claude Sonnet 4.5 measured |
| MedCode (Vals AI) | Not measured | 44.1% | Only Claude Sonnet 4.5 measured |
| MMLU Pro (Artificial Analysis run) | 73.3% | Not measured | Only Nova Premier 1.0 measured |
| SimpleQA Verified | Not measured | 30.7% | Only Claude Sonnet 4.5 measured |
| LMArena Text: science | Not measured | 1448 | Only Claude Sonnet 4.5 measured |
| LMArena Text: medicine and healthcare | Not measured | 1444 | Only Claude Sonnet 4.5 measured |
| LMArena Text: legal and government | Not measured | 1451 | Only Claude Sonnet 4.5 measured |
| LMArena Text: business and finance | Not measured | 1440 | Only Claude Sonnet 4.5 measured |
| FACTS Benchmark Suite | Not measured | 40.6% | Only Claude Sonnet 4.5 measured |
| Neither model has a result on the other 3 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Nova Premier 1.0 | Claude Sonnet 4.5 | Leader |
|---|---|---|---|
| Design Arena: websites | 835 | 1189 | Claude Sonnet 4.5 |
| Design Arena: UI components | Not measured | 1170 | Only Claude Sonnet 4.5 measured |
| Design Arena: game dev | Not measured | 1166 | Only Claude Sonnet 4.5 measured |
| Design Arena: data viz | Not measured | 1167 | Only Claude Sonnet 4.5 measured |
| Design Arena: 3D | Not measured | 1157 | Only Claude Sonnet 4.5 measured |
| Design Arena: all code categories | Not measured | 1182 | Only Claude Sonnet 4.5 measured |
| Design Arena: SVG | Not measured | 1115 | Only Claude Sonnet 4.5 measured |
| Design Arena: ASCII art | Not measured | 1205 | Only Claude Sonnet 4.5 measured |
| Neither model has a result on the other 1 board here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index24 boards, none shared
| Benchmark | Nova Premier 1.0 | Claude Sonnet 4.5 | Leader |
|---|---|---|---|
| SAGE (Vals AI) | Not measured | 36.1% | Only Claude Sonnet 4.5 measured |
| MedScribe (Vals AI) | Not measured | 84.5% | Only Claude Sonnet 4.5 measured |
| 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 |
| DTBench | Not measured | 83.2% | Only Claude Sonnet 4.5 measured |
| LMCA | Not measured | 38.8% | Only Claude Sonnet 4.5 measured |
| LMArena Text | Not measured | 1438 | Only Claude Sonnet 4.5 measured |
| LMArena Text: instruction following | Not measured | 1459 | Only Claude Sonnet 4.5 measured |
| LMArena Text: creative writing | Not measured | 1442 | Only Claude Sonnet 4.5 measured |
| LMArena Text: English | Not measured | 1450 | Only Claude Sonnet 4.5 measured |
| LMArena Text: non-English | Not measured | 1425 | Only Claude Sonnet 4.5 measured |
| LMArena Text: Chinese | Not measured | 1460 | Only Claude Sonnet 4.5 measured |
| LMArena Text: German | Not measured | 1427 | Only Claude Sonnet 4.5 measured |
| LMArena Text: Japanese | Not measured | 1390 | Only Claude Sonnet 4.5 measured |
| LMArena Text: Korean | Not measured | 1402 | Only Claude Sonnet 4.5 measured |
| LMArena Text: French | Not measured | 1459 | Only Claude Sonnet 4.5 measured |
| LMArena Text: Spanish | Not measured | 1458 | Only Claude Sonnet 4.5 measured |
| LMArena Text: Russian | Not measured | 1437 | Only Claude Sonnet 4.5 measured |
| LMArena Text: Polish | Not measured | 1423 | Only Claude Sonnet 4.5 measured |
| LMArena Text: multi-turn | Not measured | 1465 | Only Claude Sonnet 4.5 measured |
| LMArena Text: longer queries | Not measured | 1475 | Only Claude Sonnet 4.5 measured |
| LMArena Text: writing and language | Not measured | 1442 | Only Claude Sonnet 4.5 measured |
| LMArena Text: entertainment and media | Not measured | 1428 | Only Claude Sonnet 4.5 measured |
| LMArena Document | Not measured | 1450 | Only Claude Sonnet 4.5 measured |
| Neither model has a result on the other 22 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Nova Premier 1.0 | Claude Sonnet 4.5 | Leader |
|---|---|---|---|
| Neither model has a result on 5 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
Nova Premier 1.0 costs less
Repository review
50K input + 3K output tokens
Nova Premier 1.0 costs less
Agent loop
200K input + 10K output tokens
Nova Premier 1.0 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 | Anthropic Claude Sonnet 4.5 |
|---|---|---|
| Maker | Amazon | Anthropic |
| Weights | No public weights listed | No public weights listed |
| Released | October 31, 2025 | September 29, 2025 |
| Context window | 1M | 1M |
| Input $/Mtok | $2.50 | $3.00 |
| Output $/Mtok | $12.50 | $15.00 |
| Coding index | Not benchmarked | 39.5 |
| Independent measurements behind it | 0 | 3 |
| Cost per solved task | Not computable | $1.16 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Nova Premier 1.0 better than Claude Sonnet 4.5 for coding?
Only Claude Sonnet 4.5 has a coding score, 39.5 on the Vibe Coding Index; Nova Premier 1.0 has none, so the two cannot be ranked on coding. Pick Nova Premier 1.0 for output tokens 1.2x cheaper ($12.50 vs $15.00 per million).
Which is cheaper, Nova Premier 1.0 or Claude Sonnet 4.5?
Nova Premier 1.0 costs $2.50 per million input tokens and $12.50 per million output tokens; Claude Sonnet 4.5 costs $3.00 and $15.00. Cost per solved task is known for Claude Sonnet 4.5 only.
Which has the bigger context window, Nova Premier 1.0 or Claude Sonnet 4.5?
Neither: both take 1M tokens.
How many benchmarks is the Nova Premier 1.0 vs Claude Sonnet 4.5 comparison based on?
3 benchmarks have a result for both models as of October 22, 2026. Nova Premier 1.0's coding index rests on 0 independent benchmarks and Claude Sonnet 4.5's on 3. Where only one model has a result, the page says so instead of naming a winner.