Claude Haiku 4.5 vs Llama 4 Scout
Claude Haiku 4.5 leads Llama 4 Scout on the Artificial Analysis Intelligence Index, 16.9 to 6.5, and Llama 4 Scout costs 10.0x less per output token ($0.50 vs $5.00 per million). Updated October 22, 2026; 60 benchmarks have a result for both.
Claude Haiku 4.5 or Llama 4 Scout: which to pick
Only Claude Haiku 4.5 has a coding score, 35.6 on the Vibe Coding Index; Llama 4 Scout has none, so the two cannot be ranked on coding.
Pick Llama 4 Scout for output tokens 10.0x cheaper ($0.50 vs $5.00 per million) and a larger context window (1.31M against 200K tokens).
- Shared results
- 60
- Claude Haiku 4.5 only
- 35
- Llama 4 Scout only
- 22
- Like-for-like categories
- 8 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 Haiku 4.5 has a coding score, so no call is made.
One side not measured
Intelligence
AA Intelligence Index
Claude Haiku 4.5
Claude Haiku 4.5 leads, 16.9 against 6.5.
Same board, both measured
Agentic work
AA Agentic Index
Claude Haiku 4.5
Claude Haiku 4.5 leads, 8.0 against 0.5.
Same board, both measured
Reasoning
GPQA Diamond
Claude Haiku 4.5
Claude Haiku 4.5 leads, 72.2% against 47.0%.
Same board, both measured
Math
AIME
Claude Haiku 4.5
Claude Haiku 4.5 leads, 82.7% against 19.0%.
Same board, both measured
Knowledge
MMLU Pro
Claude Haiku 4.5
Claude Haiku 4.5 leads, 78.7% against 69.6%.
Same board, both measured
Web design
Design Arena: websites
Claude Haiku 4.5
Claude Haiku 4.5 leads, 1122 against 750.
Same board, both measured
Long documents
Listed context window
Llama 4 Scout
Llama 4 Scout takes 1.31M tokens against 200K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Llama 4 Scout
Claude Haiku 4.5 $0.0035, Llama 4 Scout $0.0004 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
Claude Haiku 4.5
Claude Haiku 4.5 $0.56, Llama 4 Scout $1.276.
Published attempt cost and pass rate
At a glance
- Coding index
- Claude Haiku 4.5 35.6 from 4 benchmarks, Llama 4 Scout not benchmarked.
- Widest category
- Web design, 39.5 points apart on average over 5 shared benchmarks.
- Widest single gap
- AIME: Claude Haiku 4.5 82.7% against Llama 4 Scout 19.0%, 63.7 points apart on a 0 to 100 scale.
- Output price
- Claude Haiku 4.5 $5.00 against Llama 4 Scout $0.50 per million output tokens, 10.0x apart.
- Context window
- Claude Haiku 4.5 takes 200K tokens, Llama 4 Scout 1.31M.
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 | Claude Haiku 4.5 | Bars | Llama 4 Scout | Ties |
|---|---|---|---|---|
| Coding | 5 | 0 | ||
| Intelligence | 2 | 0 | ||
| Agentic work | 2 | 0 | ||
| Reasoning | 7 | 1 | ||
| Math | 6 | 0 | ||
| Knowledge | 11 | 0 | ||
| Web design | 5 | 0 | ||
| General | 20 | 1 | ||
| All shared boards | 58 | 2 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index50
| Benchmark | Claude Haiku 4.5 | Llama 4 Scout | Leader |
|---|---|---|---|
| SWE-bench Verified | 66.6% | 9.1% | Claude Haiku 4.5 |
| SWE-bench Multilingual | 64.7% | Not measured | Only Claude Haiku 4.5 measured |
| LiveBench coding | 48.1% | Not measured | Only Claude Haiku 4.5 measured |
| LMArena WebDev | 1330 | Not measured | Only Claude Haiku 4.5 measured |
| AA Coding Index | 43.9 | 8.2 | Claude Haiku 4.5 |
| LiveCodeBench (Vals AI) | 41.2% | 38.5% | Claude Haiku 4.5 |
| SWE-bench Verified (Vals AI) | 66.6% | Not measured | Only Claude Haiku 4.5 measured |
| Vibe Code Bench (Vals AI) | 11.4% | Not measured | Only Claude Haiku 4.5 measured |
| Code migration (Vals AI) | 7.5% | Not measured | Only Claude Haiku 4.5 measured |
| ProgramBench (Vals AI) | 0.0% | Not measured | Only Claude Haiku 4.5 measured |
| Terminal-Bench 2.1 (Vals AI) | 43.8% | Not measured | Only Claude Haiku 4.5 measured |
| LiveCodeBench (Artificial Analysis run) | Not measured | 29.9% | Only Llama 4 Scout measured |
| SciCode | Not measured | 21.3% | Only Llama 4 Scout measured |
| Terminal-Bench Hard (Artificial Analysis run) | Not measured | 1.5% | Only Llama 4 Scout measured |
| Terminal-Bench | 35.5% | Not measured | Only Claude Haiku 4.5 measured |
| WeirdML | 45.4% | Not measured | Only Claude Haiku 4.5 measured |
| LMArena Text: coding | 1454 | 1286 | Claude Haiku 4.5 |
| LMArena Text: software and IT | 1439 | 1286 | Claude Haiku 4.5 |
| LMArena WebDev: React | 1326 | Not measured | Only Claude Haiku 4.5 measured |
| LMArena WebDev: HTML | 1318 | Not measured | Only Claude Haiku 4.5 measured |
| Neither model has a result on the other 19 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Claude Haiku 4.5 | Llama 4 Scout | Leader |
|---|---|---|---|
| AA Intelligence Index | 16.9 | 6.5 | Claude Haiku 4.5 |
| Epoch Capabilities Index | 142.2 | 129.6 | Claude Haiku 4.5 |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Claude Haiku 4.5 | Llama 4 Scout | Leader |
|---|---|---|---|
| AA Agentic Index | 8.0 | 0.5 | Claude Haiku 4.5 |
| LiveBench research | 42.2% | Not measured | Only Claude Haiku 4.5 measured |
| LiveBench browser | 40.0% | Not measured | Only Claude Haiku 4.5 measured |
| LiveBench long agentic | 11.1% | Not measured | Only Claude Haiku 4.5 measured |
| Finance Agent (Vals AI) | 31.0% | Not measured | Only Claude Haiku 4.5 measured |
| Tax Agent Bench (Vals AI) | 5.9% | Not measured | Only Claude Haiku 4.5 measured |
| Legal Research Bench (Vals AI) | 10.6% | Not measured | Only Claude Haiku 4.5 measured |
| Excel Modeling Benchmark (Vals AI) | 22.7% | Not measured | Only Claude Haiku 4.5 measured |
| τ²-Bench Telecom | Not measured | 15.5% | Only Llama 4 Scout measured |
| BALROG | 31.2% | Not measured | Only Claude Haiku 4.5 measured |
| DeepResearch Bench | 45.5% | Not measured | Only Claude Haiku 4.5 measured |
| Vending-Bench 2 | $459 | Not measured | Only Claude Haiku 4.5 measured |
| Berkeley Function Calling Leaderboard (BFCL) | 68.7% | 28.1% | Claude Haiku 4.5 |
| Neither model has a result on the other 28 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index71
| Benchmark | Claude Haiku 4.5 | Llama 4 Scout | Leader |
|---|---|---|---|
| GPQA Diamond | 72.2% | 47.0% | Claude Haiku 4.5 |
| LiveBench reasoning | 61.7% | Not measured | Only Claude Haiku 4.5 measured |
| MMMU Pro (Vals AI) | 46.1% | 58.8% | Llama 4 Scout |
| GPQA Diamond (Artificial Analysis run) | Not measured | 58.7% | Only Llama 4 Scout measured |
| Humanity's Last Exam (Artificial Analysis run) | Not measured | 3.8% | Only Llama 4 Scout measured |
| GPQA Diamond (Epoch AI run) | 71.2% | 51.8% | Claude Haiku 4.5 |
| ARC-AGI | 47.7% | 0.5% | Claude Haiku 4.5 |
| ARC-AGI-2 | 4.0% | 0.0% | Claude Haiku 4.5 |
| Chess puzzles | 8.0% | Not measured | Only Claude Haiku 4.5 measured |
| LMArena Text: hard prompts | 1421 | 1266 | Claude Haiku 4.5 |
| LMArena Text: expert | 1443 | 1235 | Claude Haiku 4.5 |
| LMArena Text: hard prompts in English | 1435 | 1293 | Claude Haiku 4.5 |
| LMArena Vision: diagrams | Not measured | 1125 | Only Llama 4 Scout measured |
| LMArena Vision: homework | Not measured | 1148 | Only Llama 4 Scout measured |
| Kagi LLM Benchmark | Not measured | 36.9% | Only Llama 4 Scout measured |
| Neither model has a result on the other 7 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index60
| Benchmark | Claude Haiku 4.5 | Llama 4 Scout | Leader |
|---|---|---|---|
| AIME | 82.7% | 19.0% | Claude Haiku 4.5 |
| MATH 500 (Vals AI) | Not measured | 79.2% | Only Llama 4 Scout measured |
| MGSM (Vals AI) | 92.2% | 88.0% | Claude Haiku 4.5 |
| AA Math Index | Not measured | 14.0 | Only Llama 4 Scout measured |
| AIME 2025 (Artificial Analysis run) | Not measured | 14.0% | Only Llama 4 Scout measured |
| OTIS Mock AIME | 66.7% | 7.8% | Claude Haiku 4.5 |
| MATH level 5 | 96.4% | 62.3% | Claude Haiku 4.5 |
| LMArena Text: math | 1398 | 1287 | Claude Haiku 4.5 |
| LMArena Text: mathematical work | 1430 | 1286 | Claude Haiku 4.5 |
| Neither model has a result on the other 4 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index110
| Benchmark | Claude Haiku 4.5 | Llama 4 Scout | Leader |
|---|---|---|---|
| MMLU Pro | 78.7% | 69.6% | Claude Haiku 4.5 |
| LegalBench (Vals AI) | 81.2% | 72.0% | Claude Haiku 4.5 |
| CaseLaw (Vals AI) | 56.5% | Not measured | Only Claude Haiku 4.5 measured |
| CorpFin (Vals AI) | 60.6% | 46.8% | Claude Haiku 4.5 |
| TaxEval (Vals AI) | 67.5% | 55.2% | Claude Haiku 4.5 |
| MortgageTax (Vals AI) | 62.2% | 57.8% | Claude Haiku 4.5 |
| MedQA (Vals AI) | 79.6% | 50.9% | Claude Haiku 4.5 |
| MedCode (Vals AI) | 32.7% | 23.3% | Claude Haiku 4.5 |
| MMLU Pro (Artificial Analysis run) | Not measured | 75.2% | Only Llama 4 Scout measured |
| SimpleQA Verified | 13.2% | Not measured | Only Claude Haiku 4.5 measured |
| LMArena Text: science | 1406 | 1278 | Claude Haiku 4.5 |
| LMArena Text: medicine and healthcare | 1394 | 1275 | Claude Haiku 4.5 |
| LMArena Text: legal and government | 1400 | 1285 | Claude Haiku 4.5 |
| LMArena Text: business and finance | 1400 | 1257 | Claude Haiku 4.5 |
| Neither model has a result on the other 4 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index50
| Benchmark | Claude Haiku 4.5 | Llama 4 Scout | Leader |
|---|---|---|---|
| Design Arena: websites | 1122 | 750 | Claude Haiku 4.5 |
| Design Arena: UI components | 1097 | 765 | Claude Haiku 4.5 |
| Design Arena: game dev | 1097 | 772 | Claude Haiku 4.5 |
| Design Arena: data viz | 1124 | 896 | Claude Haiku 4.5 |
| Design Arena: 3D | 1071 | Not measured | Only Claude Haiku 4.5 measured |
| Design Arena: all code categories | 1114 | 789 | Claude Haiku 4.5 |
| Design Arena: SVG | 1025 | Not measured | Only Claude Haiku 4.5 measured |
| Design Arena: ASCII art | 1140 | Not measured | Only Claude Haiku 4.5 measured |
| LiveBench design | 59.9% | Not measured | Only Claude Haiku 4.5 measured |
GeneralLike-for-likePublic boards, shown as published, kept out of the index201
| Benchmark | Claude Haiku 4.5 | Llama 4 Scout | Leader |
|---|---|---|---|
| LiveBench data analysis | 59.3% | Not measured | Only Claude Haiku 4.5 measured |
| Public Benefits Bench (Vals AI) | 54.3% | Not measured | Only Claude Haiku 4.5 measured |
| SAGE (Vals AI) | 31.8% | 34.8% | Llama 4 Scout |
| MedScribe (Vals AI) | 85.2% | 50.6% | Claude Haiku 4.5 |
| Vals Multimodal Index | 42.9% | Not measured | Only Claude Haiku 4.5 measured |
| IFBench | Not measured | 39.5% | Only Llama 4 Scout measured |
| Long context reasoning (AA-LCR) | Not measured | 27.7% | Only Llama 4 Scout measured |
| DTBench | 73.6% | 57.9% | Claude Haiku 4.5 |
| LMCA | 30.9% | 12.0% | Claude Haiku 4.5 |
| Fiction.LiveBench | Not measured | 36.0% | Only Llama 4 Scout measured |
| ExploitBench | 13.7% | Not measured | Only Claude Haiku 4.5 measured |
| LMArena Text | 1397 | 1279 | Claude Haiku 4.5 |
| LMArena Text: instruction following | 1414 | 1248 | Claude Haiku 4.5 |
| LMArena Text: creative writing | 1371 | 1249 | Claude Haiku 4.5 |
| LMArena Vision | Not measured | 1118 | Only Llama 4 Scout measured |
| LMArena Text: English | 1414 | 1304 | Claude Haiku 4.5 |
| LMArena Text: non-English | 1377 | 1252 | Claude Haiku 4.5 |
| LMArena Text: Chinese | 1418 | 1255 | Claude Haiku 4.5 |
| LMArena Text: German | 1374 | 1273 | Claude Haiku 4.5 |
| LMArena Text: Japanese | 1338 | 1206 | Claude Haiku 4.5 |
| LMArena Text: Korean | 1346 | 1207 | Claude Haiku 4.5 |
| LMArena Text: French | 1411 | 1283 | Claude Haiku 4.5 |
| LMArena Text: Spanish | 1421 | 1278 | Claude Haiku 4.5 |
| LMArena Text: Russian | 1381 | 1263 | Claude Haiku 4.5 |
| LMArena Text: Polish | 1343 | 1265 | Claude Haiku 4.5 |
| LMArena Text: multi-turn | 1409 | 1280 | Claude Haiku 4.5 |
| LMArena Text: longer queries | 1427 | 1265 | Claude Haiku 4.5 |
| LMArena Text: writing and language | 1386 | 1269 | Claude Haiku 4.5 |
| LMArena Text: entertainment and media | 1369 | 1242 | Claude Haiku 4.5 |
| LMArena Vision: English | Not measured | 1143 | Only Llama 4 Scout measured |
| LMArena Vision: Chinese | Not measured | 1106 | Only Llama 4 Scout measured |
| LMArena Vision: reading text | Not measured | 1117 | Only Llama 4 Scout measured |
| LMArena Vision: humor | Not measured | 1102 | Only Llama 4 Scout measured |
| LMArena Vision: creative writing | Not measured | 1126 | Only Llama 4 Scout measured |
| LMArena Document | 1420 | Not measured | Only Claude Haiku 4.5 measured |
| Neither model has a result on the other 11 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Claude Haiku 4.5 | Llama 4 Scout | 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
Llama 4 Scout costs less
Repository review
50K input + 3K output tokens
Llama 4 Scout costs less
Agent loop
200K input + 10K output tokens
Llama 4 Scout 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 | Anthropic Claude Haiku 4.5 | Meta Llama 4 Scout |
|---|---|---|
| Maker | Anthropic | Meta Llama |
| Weights | No public weights listed | Open weights |
| Released | October 15, 2025 | April 5, 2025 |
| Context window | 200K | 1.31M |
| Input $/Mtok | $1.00 | $0.175 |
| Output $/Mtok | $5.00 | $0.50 |
| Coding index | 35.6 | Not benchmarked |
| Independent measurements behind it | 4 | 0 |
| Cost per solved task | $0.56 | $1.276 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Claude Haiku 4.5 better than Llama 4 Scout for coding?
Only Claude Haiku 4.5 has a coding score, 35.6 on the Vibe Coding Index; Llama 4 Scout has none, so the two cannot be ranked on coding. Pick Llama 4 Scout for output tokens 10.0x cheaper ($0.50 vs $5.00 per million) and a larger context window (1.31M against 200K tokens).
Which is cheaper, Claude Haiku 4.5 or Llama 4 Scout?
Claude Haiku 4.5 costs $1.00 per million input tokens and $5.00 per million output tokens; Llama 4 Scout costs $0.175 and $0.50. Per solved SWE-bench Verified task, Claude Haiku 4.5 costs $0.56 and Llama 4 Scout $1.276.
Which has the bigger context window, Claude Haiku 4.5 or Llama 4 Scout?
Llama 4 Scout, with 1.31M tokens against 200K.
How many benchmarks is the Claude Haiku 4.5 vs Llama 4 Scout comparison based on?
60 benchmarks have a result for both models as of October 22, 2026. Claude Haiku 4.5's coding index rests on 4 independent benchmarks and Llama 4 Scout's on 0. Where only one model has a result, the page says so instead of naming a winner.