Model comparison

Claude Haiku 4.5 vs Grok 4.7

Grok 4.7 is the stronger model overall, scoring 53.1 to 39.5 on the Noometry Index. Claude Haiku 4.5 costs 1.5× less per token, which makes it the better buy when Grok 4.7's lead doesn't matter for your workload.

Last verified . 27 shared benchmarks.

Claude Haiku 4.5 Anthropic

39.5

Rank #165 Confirmed

Grok 4.7 xAI

53.1

Rank #37 Confirmed

Summary

  • They share 27 benchmarks with published results for both. Claude Haiku 4.5 scores higher in 1 category and Grok 4.7 in 9 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.7 leads 49.1 to 15.1.
  • The biggest single-benchmark swing is NYT Connections (extended): 14.3% for Claude Haiku 4.5 and 76.8% for Grok 4.7.
  • Claude Haiku 4.5 is cheaper at $1 / $5 per million input/output tokens, against $2 / $6 for Grok 4.7.
  • Grok 4.7 accepts more context: 500K tokens versus 200K.

Side by side

Claude Haiku 4.5 and Grok 4.7 specifications
Claude Haiku 4.5Grok 4.7
ProviderAnthropicxAI
Noometry Index39.553.1
Released2025-10-152026-09-21
WeightsProprietaryProprietary
Context window200K500K
Max output64K500K
Input $ / M tokens$1$2
Output $ / M tokens$5$6
Results tracked5339

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Category by category

Coding Grok 4.7 leads

Claude Haiku 4.5: 44.0 (#78), Grok 4.7: 58.0 (#18)

Coding benchmarks
BenchmarkClaude Haiku 4.5Grok 4.7
LMArena WebDev13301639
SciCode43.3%57.8%
LMArena Coding14531427
FrontierCode—47.6%
SWE-bench Verified (bash only)66.6%—
CursorBench—46.3%
SWE-bench Multilingual64.7%—
FrontierSWE—29.5%
WeirdML45.4%—
ALE-Bench653.48—

Agentic & Tool Use Grok 4.7 leads

Claude Haiku 4.5: 33.6 (#52), Grok 4.7: 36.7 (#37)

Agentic & Tool Use benchmarks
BenchmarkClaude Haiku 4.5Grok 4.7
Vending-Bench 2458.8910,537
Terminal-Bench35.5%—
APEX-Agents—54.6%
Berkeley Function Calling Leaderboard68.7%—
DeepResearch Bench45.5%—
BALROG31.2%—
ExploitBench13.7%—
GDP.pdf—22.8%

Reasoning Grok 4.7 leads

Claude Haiku 4.5: 15.1 (#320), Grok 4.7: 49.1 (#40)

Reasoning benchmarks
BenchmarkClaude Haiku 4.5Grok 4.7
NYT Connections (extended)14.3%76.8%
CritPt0%18%
Chess Puzzles8%38%
LMArena Hard Prompts14201413
DTBench73.6%96%
LMCA30.9%49.4%
Epoch Capabilities Index142.41153.53
ARC-AGI-24%—
ARC-AGI-147.7%—
Mystery Game Puzzles—29%
ForecastBench61.4—

Math Grok 4.7 leads

Claude Haiku 4.5: 44.9 (#78), Grok 4.7: 57.8 (#39)

Math benchmarks
BenchmarkClaude Haiku 4.5Grok 4.7
OTIS Mock AIME 2024-202566.7%98.1%
LMArena Math13961407
FrontierMath (Tiers 1-3)—53%
FrontierMath Tier 4—17.1%
ProofBench—34%
Omni-MATH56.1%—
MATH Level 596.4%—
FrontierMath (Feb 2025 set)5.9%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Grok 4.7 leads

Claude Haiku 4.5: 37.7 (#153), Grok 4.7: 62.8 (#22)

Knowledge benchmarks
BenchmarkClaude Haiku 4.5Grok 4.7
GPQA Diamond71.2%92.7%
SimpleQA Verified13.2%56%
LMArena Expert14421422
MMLU-Pro77.7%—
Vectara Hallucination Rate9.8%—
GPQA (HELM)60.5%—

Multimodal Grok 4.7 leads

Claude Haiku 4.5: 26.8 (#118), Grok 4.7: 35.5 (#87)

Multimodal benchmarks
BenchmarkClaude Haiku 4.5Grok 4.7
Blueprint-Bench 20%32.5%
LMArena Vision—1228
Furniture Assembly—20.8%
LMArena Document1420—

Multilingual Too close to call

Claude Haiku 4.5: 49.9 (#129), Grok 4.7: 50.8 (#116)

Multilingual benchmarks
BenchmarkClaude Haiku 4.5Grok 4.7
LMArena Non-English13771389
LMArena Chinese14171455
LMArena French14081455
LMArena Russian13811397
LMArena Spanish14201400
LMArena German1375—
LMArena Japanese1339—
LMArena Korean1347—

Instruction Following Grok 4.7 leads

Claude Haiku 4.5: 71.4 (#149), Grok 4.7: 74.1 (#105)

Instruction Following benchmarks
BenchmarkClaude Haiku 4.5Grok 4.7
LMArena Instruction Following14141404
IFEval80.1%—

Long Context Too close to call

Claude Haiku 4.5: 43.6 (#92), Grok 4.7: 43.1 (#104)

Long Context benchmarks
BenchmarkClaude Haiku 4.5Grok 4.7
LMArena Longer Query14271413

Writing & Preference Grok 4.7 leads

Claude Haiku 4.5: 57.9 (#123), Grok 4.7: 70.0 (#24)

Writing & Preference benchmarks
BenchmarkClaude Haiku 4.5Grok 4.7
LMArena Text13961399
LMArena Creative Writing13721391
LMArena Multi-Turn14091393
EQ-Bench Creative Writing—2007
WildBench83.9%—
EQ-Bench 41064—

Frequently asked questions

Is Claude Haiku 4.5 better than Grok 4.7?

Grok 4.7 is the stronger model overall, scoring 53.1 to 39.5 on the Noometry Index. Claude Haiku 4.5 costs 1.5× less per token, which makes it the better buy when Grok 4.7's lead doesn't matter for your workload.

Which is cheaper, Claude Haiku 4.5 or Grok 4.7?

Claude Haiku 4.5 is cheaper. It lists at $1 per million input tokens and $5 per million output tokens; Grok 4.7 lists at $2 and $6.

Is Claude Haiku 4.5 or Grok 4.7 better for coding?

Grok 4.7 scores higher on coding benchmarks: 58.0 versus 44.0 in the Noometry coding category.

Which has the bigger context window?

Grok 4.7 does, with 500K tokens against 200K.

How many benchmarks do Claude Haiku 4.5 and Grok 4.7 share?

27 benchmarks have published results for both models. Claude Haiku 4.5 has 53 scored results on Noometry and Grok 4.7 has 39.

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