Model comparison
Claude Haiku 4.5 vs Nova 2 Lite
Claude Haiku 4.5 and Nova 2 Lite score almost the same on the Noometry Index (39.5 vs 39.7), so choose on price, context window or the category you care about most.
Last verified . 19 shared benchmarks.
Summary
- They share 19 benchmarks with published results for both. Claude Haiku 4.5 scores higher in 7 categories and Nova 2 Lite in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Nova 2 Lite leads 27.5 to 15.1.
- The biggest single-benchmark swing is Berkeley Function Calling Leaderboard: 68.7% for Claude Haiku 4.5 and 27.1% for Nova 2 Lite.
- Nova 2 Lite is cheaper at $0.30 / $2.50 per million input/output tokens, against $1 / $5 for Claude Haiku 4.5.
- Nova 2 Lite accepts more context: 1M tokens versus 200K.
Side by side
| Claude Haiku 4.5 | Nova 2 Lite | |
|---|---|---|
| Provider | Anthropic | Amazon |
| Noometry Index | 39.5 | 39.7 |
| Released | 2025-10-15 | 2025-12-01 |
| Weights | Proprietary | Proprietary |
| Context window | 200K | 1M |
| Max output | 64K | 64K |
| Input $ / M tokens | $1 | $0.30 |
| Output $ / M tokens | $5 | $2.50 |
| Results tracked | 53 | 19 |
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Category by category
Coding Claude Haiku 4.5 leads
Claude Haiku 4.5: 44.0 (#78), Nova 2 Lite: 40.7 (#134)
| Benchmark | Claude Haiku 4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Coding | 1453 | 1385 |
| SWE-bench Verified (bash only) | 66.6% | — |
| LMArena WebDev | 1330 | — |
| SWE-bench Multilingual | 64.7% | — |
| SciCode | 43.3% | — |
| WeirdML | 45.4% | — |
| ALE-Bench | 653.48 | — |
Agentic & Tool Use Claude Haiku 4.5 leads
Claude Haiku 4.5: 33.6 (#52), Nova 2 Lite: 24.1 (#121)
| Benchmark | Claude Haiku 4.5 | Nova 2 Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | 68.7% | 27.1% |
| Terminal-Bench | 35.5% | — |
| DeepResearch Bench | 45.5% | — |
| BALROG | 31.2% | — |
| ExploitBench | 13.7% | — |
| Vending-Bench 2 | 458.89 | — |
Reasoning Nova 2 Lite leads
Claude Haiku 4.5: 15.1 (#320), Nova 2 Lite: 27.5 (#118)
| Benchmark | Claude Haiku 4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Hard Prompts | 1420 | 1364 |
| ARC-AGI-2 | 4% | — |
| NYT Connections (extended) | 14.3% | — |
| ARC-AGI-1 | 47.7% | — |
| CritPt | 0% | — |
| Chess Puzzles | 8% | — |
| DTBench | 73.6% | — |
| LMCA | 30.9% | — |
| Epoch Capabilities Index | 142.41 | — |
| ForecastBench | 61.4 | — |
Math Claude Haiku 4.5 leads
Claude Haiku 4.5: 44.9 (#78), Nova 2 Lite: 37.5 (#156)
| Benchmark | Claude Haiku 4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Math | 1396 | 1359 |
| OTIS Mock AIME 2024-2025 | 66.7% | — |
| Omni-MATH | 56.1% | — |
| MATH Level 5 | 96.4% | — |
| FrontierMath (Feb 2025 set) | 5.9% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge Nova 2 Lite leads
Claude Haiku 4.5: 37.7 (#153), Nova 2 Lite: 43.0 (#94)
| Benchmark | Claude Haiku 4.5 | Nova 2 Lite |
|---|---|---|
| Vectara Hallucination Rate | 9.8% | 5.1% |
| LMArena Expert | 1442 | 1358 |
| GPQA Diamond | 71.2% | — |
| SimpleQA Verified | 13.2% | — |
| MMLU-Pro | 77.7% | — |
| GPQA (HELM) | 60.5% | — |
Multimodal Not comparable
Claude Haiku 4.5: 26.8 (#118), Nova 2 Lite: —
| Benchmark | Claude Haiku 4.5 | Nova 2 Lite |
|---|---|---|
| Blueprint-Bench 2 | 0% | — |
| LMArena Document | 1420 | — |
Multilingual Claude Haiku 4.5 leads
Claude Haiku 4.5: 49.9 (#129), Nova 2 Lite: 47.1 (#153)
| Benchmark | Claude Haiku 4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Non-English | 1377 | 1337 |
| LMArena Chinese | 1417 | 1364 |
| LMArena French | 1408 | 1381 |
| LMArena German | 1375 | 1343 |
| LMArena Japanese | 1339 | 1271 |
| LMArena Korean | 1347 | 1284 |
| LMArena Russian | 1381 | 1343 |
| LMArena Spanish | 1420 | 1373 |
Instruction Following Too close to call
Claude Haiku 4.5: 71.4 (#149), Nova 2 Lite: 70.5 (#161)
| Benchmark | Claude Haiku 4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Instruction Following | 1414 | 1335 |
| IFEval | 80.1% | — |
Long Context Claude Haiku 4.5 leads
Claude Haiku 4.5: 43.6 (#92), Nova 2 Lite: 40.6 (#150)
| Benchmark | Claude Haiku 4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Longer Query | 1427 | 1335 |
Writing & Preference Claude Haiku 4.5 leads
Claude Haiku 4.5: 57.9 (#123), Nova 2 Lite: 53.9 (#154)
| Benchmark | Claude Haiku 4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Text | 1396 | 1362 |
| LMArena Creative Writing | 1372 | 1291 |
| LMArena Multi-Turn | 1409 | 1338 |
| WildBench | 83.9% | — |
| EQ-Bench 4 | 1064 | — |
Frequently asked questions
Is Claude Haiku 4.5 better than Nova 2 Lite?
Claude Haiku 4.5 and Nova 2 Lite score almost the same on the Noometry Index (39.5 vs 39.7), so choose on price, context window or the category you care about most.
Which is cheaper, Claude Haiku 4.5 or Nova 2 Lite?
Nova 2 Lite is cheaper. It lists at $0.30 per million input tokens and $2.50 per million output tokens; Claude Haiku 4.5 lists at $1 and $5.
Is Claude Haiku 4.5 or Nova 2 Lite better for coding?
Claude Haiku 4.5 scores higher on coding benchmarks: 44.0 versus 40.7 in the Noometry coding category.
Which has the bigger context window?
Nova 2 Lite does, with 1M tokens against 200K.
How many benchmarks do Claude Haiku 4.5 and Nova 2 Lite share?
19 benchmarks have published results for both models. Claude Haiku 4.5 has 53 scored results on Noometry and Nova 2 Lite has 19.