Model comparison
Amazon Nova Lite vs Claude Fable 5.1
Claude Fable 5.1 is the stronger model overall, scoring 69.0 to 31.9 on the Noometry Index. Amazon Nova Lite costs 190× less per token, which makes it the better buy when Claude Fable 5.1's lead doesn't matter for your workload.
Last verified . 20 shared benchmarks.
Summary
- They share 20 benchmarks with published results for both. Amazon Nova Lite scores higher in 0 categories and Claude Fable 5.1 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Fable 5.1 leads 89.6 to 27.8.
- The biggest single-benchmark swing is Humanity's Last Exam: 3.6% for Amazon Nova Lite and 46.5% for Claude Fable 5.1.
- Amazon Nova Lite is cheaper at $0.06 / $0.24 per million input/output tokens, against $10 / $50 for Claude Fable 5.1.
- Claude Fable 5.1 accepts more context: 1M tokens versus 300K.
Side by side
| Amazon Nova Lite | Claude Fable 5.1 | |
|---|---|---|
| Provider | Amazon | Anthropic |
| Noometry Index | 31.9 | 69.0 |
| Released | 2024-12-03 | 2026-09-01 |
| Weights | Proprietary | Proprietary |
| Context window | 300K | 1M |
| Max output | 10K | 128K |
| Input $ / M tokens | $0.06 | $10 |
| Output $ / M tokens | $0.24 | $50 |
| Results tracked | 34 | 52 |
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Category by category
Coding Claude Fable 5.1 leads
Amazon Nova Lite: 32.5 (#270), Claude Fable 5.1: 74.7 (#1)
| Benchmark | Amazon Nova Lite | Claude Fable 5.1 |
|---|---|---|
| LMArena Coding | 1239 | 1528 |
| ALE-Bench | 236.25 | 2,143 |
| FrontierCode | — | 50.9% |
| CursorBench | — | 51.8% |
| LMArena WebDev | — | 1744 |
| FrontierSWE | — | 56.3% |
| SciCode | — | 63.1% |
| GSO | — | 88.2% |
| WeirdML | — | 92.9% |
| LiveBench Coding | 27.5% | — |
| MirrorCode | — | 73.3% |
Agentic & Tool Use Not comparable
Amazon Nova Lite: —, Claude Fable 5.1: 50.7 (#5)
| Benchmark | Amazon Nova Lite | Claude Fable 5.1 |
|---|---|---|
| APEX-Agents | — | 68.6% |
| Remote Labor Index | — | 17.9% |
| GDP.pdf | — | 29.6% |
| Vending-Bench 2 | — | 5,422 |
Reasoning Claude Fable 5.1 leads
Amazon Nova Lite: 19.3 (#260), Claude Fable 5.1: 76.7 (#7)
| Benchmark | Amazon Nova Lite | Claude Fable 5.1 |
|---|---|---|
| LMArena Hard Prompts | 1220 | 1526 |
| ARC-AGI-2 | — | 90% |
| NYT Connections (extended) | — | 90% |
| ARC-AGI-1 | — | 97.5% |
| CritPt | — | 31.1% |
| Chess Puzzles | — | 47% |
| EBR-Bench | — | 57.1% |
| LiveBench Reasoning | 36.7% | — |
| Mystery Game Puzzles | — | 58% |
| DTBench | — | 97.6% |
| LiveBench Data Analysis | 37.2% | — |
| LMCA | — | 65.5% |
| Epoch Capabilities Index | — | 164.7 |
| LiveBench | 36.4% | — |
Math Claude Fable 5.1 leads
Amazon Nova Lite: 27.8 (#247), Claude Fable 5.1: 89.6 (#4)
| Benchmark | Amazon Nova Lite | Claude Fable 5.1 |
|---|---|---|
| LMArena Math | 1227 | 1525 |
| FrontierMath (Tiers 1-3) | — | 90.2% |
| FrontierMath Tier 4 | — | 87.8% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| ProofBench | — | 100% |
| Omni-MATH | 23.3% | — |
| LiveBench Math | 36.7% | — |
| FrontierMath Erdős | — | 0% |
Knowledge Claude Fable 5.1 leads
Amazon Nova Lite: 26.3 (#259), Claude Fable 5.1: 69.6 (#6)
| Benchmark | Amazon Nova Lite | Claude Fable 5.1 |
|---|---|---|
| Humanity's Last Exam | 3.6% | 46.5% |
| LMArena Expert | 1201 | 1535 |
| SimpleQA Verified | — | 70.8% |
| MMLU-Pro | 60% | — |
| Vectara Hallucination Rate | 6.1% | — |
| GPQA (HELM) | 39.7% | — |
| MMLU | 77% | — |
Multimodal Claude Fable 5.1 leads
Amazon Nova Lite: 25.5 (#123), Claude Fable 5.1: 53.9 (#4)
| Benchmark | Amazon Nova Lite | Claude Fable 5.1 |
|---|---|---|
| LMArena Vision | 990 | 1318 |
| Blueprint-Bench 2 | — | 41.9% |
| Furniture Assembly | — | 70% |
| LMArena Document | — | 1513 |
Multilingual Claude Fable 5.1 leads
Amazon Nova Lite: 38.0 (#232), Claude Fable 5.1: 59.1 (#3)
| Benchmark | Amazon Nova Lite | Claude Fable 5.1 |
|---|---|---|
| LMArena Non-English | 1208 | 1507 |
| LMArena Chinese | 1225 | 1586 |
| LMArena French | 1237 | 1525 |
| LMArena German | 1229 | 1500 |
| LMArena Japanese | 1153 | 1543 |
| LMArena Korean | 1153 | 1534 |
| LMArena Russian | 1216 | 1521 |
| LMArena Spanish | 1226 | 1516 |
Instruction Following Claude Fable 5.1 leads
Amazon Nova Lite: 59.3 (#255), Claude Fable 5.1: 79.2 (#6)
| Benchmark | Amazon Nova Lite | Claude Fable 5.1 |
|---|---|---|
| LMArena Instruction Following | 1205 | 1517 |
| LiveBench Instruction Following | 54.1% | — |
| IFEval | 77.6% | — |
Long Context Claude Fable 5.1 leads
Amazon Nova Lite: 37.4 (#217), Claude Fable 5.1: 46.7 (#20)
| Benchmark | Amazon Nova Lite | Claude Fable 5.1 |
|---|---|---|
| LMArena Longer Query | 1234 | 1522 |
Writing & Preference Claude Fable 5.1 leads
Amazon Nova Lite: 42.1 (#237), Claude Fable 5.1: 79.2 (#2)
| Benchmark | Amazon Nova Lite | Claude Fable 5.1 |
|---|---|---|
| LMArena Text | 1229 | 1510 |
| LMArena Creative Writing | 1197 | 1507 |
| LMArena Multi-Turn | 1199 | 1492 |
| EQ-Bench Creative Writing | — | 2162 |
| WildBench | 75% | — |
| LiveBench Language | 25.9% | — |
Frequently asked questions
Is Amazon Nova Lite better than Claude Fable 5.1?
Claude Fable 5.1 is the stronger model overall, scoring 69.0 to 31.9 on the Noometry Index. Amazon Nova Lite costs 190× less per token, which makes it the better buy when Claude Fable 5.1's lead doesn't matter for your workload.
Which is cheaper, Amazon Nova Lite or Claude Fable 5.1?
Amazon Nova Lite is cheaper. It lists at $0.06 per million input tokens and $0.24 per million output tokens; Claude Fable 5.1 lists at $10 and $50.
Is Amazon Nova Lite or Claude Fable 5.1 better for coding?
Claude Fable 5.1 scores higher on coding benchmarks: 74.7 versus 32.5 in the Noometry coding category.
Which has the bigger context window?
Claude Fable 5.1 does, with 1M tokens against 300K.
How many benchmarks do Amazon Nova Lite and Claude Fable 5.1 share?
20 benchmarks have published results for both models. Amazon Nova Lite has 34 scored results on Noometry and Claude Fable 5.1 has 52.