Model comparison
Claude Haiku 4.5 vs Gemini 3.5 Flash Lite
Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 39.5 on the Noometry Index.
Last verified . 31 shared benchmarks.
GoogleSummary
- They share 31 benchmarks with published results for both. Claude Haiku 4.5 scores higher in 3 categories and Gemini 3.5 Flash Lite in 7 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Haiku 4.5 leads 44.9 to 25.9.
- The biggest single-benchmark swing is NYT Connections (extended): 14.3% for Claude Haiku 4.5 and 60.4% for Gemini 3.5 Flash Lite.
- Gemini 3.5 Flash Lite is cheaper at $0.30 / $2.50 per million input/output tokens, against $1 / $5 for Claude Haiku 4.5.
- Gemini 3.5 Flash Lite accepts more context: 1.05M tokens versus 200K.
Side by side
| Claude Haiku 4.5 | Gemini 3.5 Flash Lite | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 39.5 | 41.5 |
| Released | 2025-10-15 | 2026-07-21 |
| Weights | Proprietary | Proprietary |
| Context window | 200K | 1.05M |
| Max output | 64K | 66K |
| Input $ / M tokens | $1 | $0.30 |
| Output $ / M tokens | $5 | $2.50 |
| Results tracked | 53 | 39 |
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Category by category
Coding Claude Haiku 4.5 leads
Claude Haiku 4.5: 44.0 (#78), Gemini 3.5 Flash Lite: 42.4 (#104)
| Benchmark | Claude Haiku 4.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena WebDev | 1330 | 1440 |
| SciCode | 43.3% | 41.3% |
| WeirdML | 45.4% | 39% |
| LMArena Coding | 1453 | 1453 |
| ALE-Bench | 653.48 | 765.27 |
| SWE-bench Verified (bash only) | 66.6% | — |
| SWE-bench Multilingual | 64.7% | — |
Agentic & Tool Use Claude Haiku 4.5 leads
Claude Haiku 4.5: 33.6 (#52), Gemini 3.5 Flash Lite: 25.7 (#107)
| Benchmark | Claude Haiku 4.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| Terminal-Bench | 35.5% | — |
| APEX-Agents | — | 29.3% |
| Berkeley Function Calling Leaderboard | 68.7% | — |
| DeepResearch Bench | 45.5% | — |
| BALROG | 31.2% | — |
| ExploitBench | 13.7% | — |
| GDP.pdf | — | 10% |
| Vending-Bench 2 | 458.89 | — |
Reasoning Gemini 3.5 Flash Lite leads
Claude Haiku 4.5: 15.1 (#320), Gemini 3.5 Flash Lite: 27.8 (#114)
| Benchmark | Claude Haiku 4.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| ARC-AGI-2 | 4% | 10.3% |
| NYT Connections (extended) | 14.3% | 60.4% |
| ARC-AGI-1 | 47.7% | 53.5% |
| CritPt | 0% | 0% |
| Chess Puzzles | 8% | 22% |
| LMArena Hard Prompts | 1420 | 1441 |
| DTBench | 73.6% | 83.5% |
| LMCA | 30.9% | 37.6% |
| Epoch Capabilities Index | 142.41 | 145.13 |
| Mystery Game Puzzles | — | 19% |
| ForecastBench | 61.4 | — |
Math Claude Haiku 4.5 leads
Claude Haiku 4.5: 44.9 (#78), Gemini 3.5 Flash Lite: 25.9 (#264)
| Benchmark | Claude Haiku 4.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 66.7% | 71.1% |
| LMArena Math | 1396 | 1433 |
| FrontierMath (Tiers 1-3) | — | 26% |
| FrontierMath Tier 4 | — | 0% |
| ProofBench | — | 13% |
| Omni-MATH | 56.1% | — |
| MATH Level 5 | 96.4% | — |
| FrontierMath (Feb 2025 set) | 5.9% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge Gemini 3.5 Flash Lite leads
Claude Haiku 4.5: 37.7 (#153), Gemini 3.5 Flash Lite: 50.1 (#72)
| Benchmark | Claude Haiku 4.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| GPQA Diamond | 71.2% | 83.3% |
| LMArena Expert | 1442 | 1435 |
| SimpleQA Verified | 13.2% | — |
| MMLU-Pro | 77.7% | — |
| Vectara Hallucination Rate | 9.8% | — |
| GPQA (HELM) | 60.5% | — |
Multimodal Gemini 3.5 Flash Lite leads
Claude Haiku 4.5: 26.8 (#118), Gemini 3.5 Flash Lite: 41.1 (#40)
| Benchmark | Claude Haiku 4.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Vision | — | 1268 |
| Blueprint-Bench 2 | 0% | — |
| LMArena Document | 1420 | — |
Multilingual Gemini 3.5 Flash Lite leads
Claude Haiku 4.5: 49.9 (#129), Gemini 3.5 Flash Lite: 53.5 (#63)
| Benchmark | Claude Haiku 4.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Non-English | 1377 | 1427 |
| LMArena Chinese | 1417 | 1469 |
| LMArena French | 1408 | 1451 |
| LMArena German | 1375 | 1454 |
| LMArena Japanese | 1339 | 1427 |
| LMArena Korean | 1347 | 1407 |
| LMArena Russian | 1381 | 1443 |
| LMArena Spanish | 1420 | 1442 |
Instruction Following Gemini 3.5 Flash Lite leads
Claude Haiku 4.5: 71.4 (#149), Gemini 3.5 Flash Lite: 74.8 (#85)
| Benchmark | Claude Haiku 4.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Instruction Following | 1414 | 1420 |
| IFEval | 80.1% | — |
Long Context Too close to call
Claude Haiku 4.5: 43.6 (#92), Gemini 3.5 Flash Lite: 43.9 (#84)
| Benchmark | Claude Haiku 4.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Longer Query | 1427 | 1435 |
Writing & Preference Gemini 3.5 Flash Lite leads
Claude Haiku 4.5: 57.9 (#123), Gemini 3.5 Flash Lite: 64.2 (#57)
| Benchmark | Claude Haiku 4.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Text | 1396 | 1435 |
| LMArena Creative Writing | 1372 | 1420 |
| LMArena Multi-Turn | 1409 | 1445 |
| EQ-Bench Creative Writing | — | 1559 |
| WildBench | 83.9% | — |
| EQ-Bench 4 | 1064 | — |
Frequently asked questions
Is Claude Haiku 4.5 better than Gemini 3.5 Flash Lite?
Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 39.5 on the Noometry Index.
Which is cheaper, Claude Haiku 4.5 or Gemini 3.5 Flash Lite?
Gemini 3.5 Flash 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 Gemini 3.5 Flash Lite better for coding?
Claude Haiku 4.5 scores higher on coding benchmarks: 44.0 versus 42.4 in the Noometry coding category.
Which has the bigger context window?
Gemini 3.5 Flash Lite does, with 1.05M tokens against 200K.
How many benchmarks do Claude Haiku 4.5 and Gemini 3.5 Flash Lite share?
31 benchmarks have published results for both models. Claude Haiku 4.5 has 53 scored results on Noometry and Gemini 3.5 Flash Lite has 39.