Model comparison

Claude Haiku 4.5 vs Falcon-40B

Claude Haiku 4.5 has enough public results to be ranked (#165); Falcon-40B does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Summary

  • They share 1 benchmark with published results for both.
  • Falcon-40B has downloadable open weights; the other is API-only.

Side by side

Claude Haiku 4.5 and Falcon-40B specifications
Claude Haiku 4.5Falcon-40B
ProviderAnthropicTechnology Innovation Institute
Noometry Index39.5—
Released2025-10-152023-03-15
WeightsProprietaryOpen
Context window200K—
Max output64K—
Input $ / M tokens$1—
Output $ / M tokens$5—
Results tracked5312

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Category by category

Coding Not comparable

Claude Haiku 4.5: 44.0 (#78), Falcon-40B: —

Coding benchmarks
BenchmarkClaude Haiku 4.5Falcon-40B
SWE-bench Verified (bash only)66.6%—
LMArena WebDev1330—
SWE-bench Multilingual64.7%—
SciCode43.3%—
WeirdML45.4%—
LMArena Coding1453—
ALE-Bench653.48—

Agentic & Tool Use Not comparable

Claude Haiku 4.5: 33.6 (#52), Falcon-40B: —

Agentic & Tool Use benchmarks
BenchmarkClaude Haiku 4.5Falcon-40B
Terminal-Bench35.5%—
Berkeley Function Calling Leaderboard68.7%—
DeepResearch Bench45.5%—
BALROG31.2%—
ExploitBench13.7%—
Vending-Bench 2458.89—

Reasoning Not comparable

Claude Haiku 4.5: 15.1 (#320), Falcon-40B: —

Reasoning benchmarks
BenchmarkClaude Haiku 4.5Falcon-40B
Epoch Capabilities Index142.41104.45
ARC-AGI-24%—
NYT Connections (extended)14.3%—
ARC-AGI-147.7%—
CritPt0%—
Chess Puzzles8%—
LMArena Hard Prompts1420—
DTBench73.6%—
LMCA30.9%—
BIG-Bench Hard—37.1%
ForecastBench61.4—
HellaSwag—85.3%
LAMBADA—77.3%
PIQA—83%
WinoGrande—76.9%

Math Not comparable

Claude Haiku 4.5: 44.9 (#78), Falcon-40B: —

Math benchmarks
BenchmarkClaude Haiku 4.5Falcon-40B
OTIS Mock AIME 2024-202566.7%—
Omni-MATH56.1%—
LMArena Math1396—
MATH Level 596.4%—
FrontierMath (Feb 2025 set)5.9%—
FrontierMath Tier 4 (v1)2.1%—
GSM8K—33.8%

Knowledge Not comparable

Claude Haiku 4.5: 37.7 (#153), Falcon-40B: —

Knowledge benchmarks
BenchmarkClaude Haiku 4.5Falcon-40B
GPQA Diamond71.2%—
SimpleQA Verified13.2%—
MMLU-Pro77.7%—
Vectara Hallucination Rate9.8%—
GPQA (HELM)60.5%—
LMArena Expert1442—
ARC (AI2) Challenge—61.9%
BoolQ—83.1%
MMLU—56.9%
OpenBookQA—56.6%
TriviaQA—79.9%

Multimodal Not comparable

Claude Haiku 4.5: 26.8 (#118), Falcon-40B: —

Multimodal benchmarks
BenchmarkClaude Haiku 4.5Falcon-40B
Blueprint-Bench 20%—
LMArena Document1420—

Multilingual Not comparable

Claude Haiku 4.5: 49.9 (#129), Falcon-40B: —

Multilingual benchmarks
BenchmarkClaude Haiku 4.5Falcon-40B
LMArena Non-English1377—
LMArena Chinese1417—
LMArena French1408—
LMArena German1375—
LMArena Japanese1339—
LMArena Korean1347—
LMArena Russian1381—
LMArena Spanish1420—

Instruction Following Not comparable

Claude Haiku 4.5: 71.4 (#149), Falcon-40B: —

Instruction Following benchmarks
BenchmarkClaude Haiku 4.5Falcon-40B
IFEval80.1%—
LMArena Instruction Following1414—

Long Context Not comparable

Claude Haiku 4.5: 43.6 (#92), Falcon-40B: —

Long Context benchmarks
BenchmarkClaude Haiku 4.5Falcon-40B
LMArena Longer Query1427—

Writing & Preference Not comparable

Claude Haiku 4.5: 57.9 (#123), Falcon-40B: —

Writing & Preference benchmarks
BenchmarkClaude Haiku 4.5Falcon-40B
LMArena Text1396—
LMArena Creative Writing1372—
WildBench83.9%—
EQ-Bench 41064—
LMArena Multi-Turn1409—

Frequently asked questions

Is Claude Haiku 4.5 better than Falcon-40B?

Claude Haiku 4.5 has enough public results to be ranked (#165); Falcon-40B does not yet, so treat this comparison as directional.

How many benchmarks do Claude Haiku 4.5 and Falcon-40B share?

1 benchmark has published results for both models. Claude Haiku 4.5 has 53 scored results on Noometry and Falcon-40B has 12.

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