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Claude 3 Haiku vs Grok-2 mini

Grok-2 mini leads the LLM Stats Score 8.6 to -1.5.

Anthropic · xAI · Updated for 2026

Which is better?

Grok-2 mini leads the overall LLM Stats Score 8.6 to -1.5, ranking #285 overall.

In the 4 individual benchmarks reported for both models, Grok-2 mini wins 4; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude 3 Haiku

  • you want predictable pricing at $0.25/M input and $1.25/M output

Choose Grok-2 mini

  • overall performance matters — it scores 8.6 and ranks #285 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 4 exact shared results
  • you want the most recent training data — it shipped Aug 2024

At a glance

The differences that matter most.

Claude 3 Haiku
Anthropic
Grok-2 mini
xAI
Core performance indexes
LLM Stats Score
-1.5
#343
8.6
#285
Reasoning
-1.5
#336
8.2
#282
Coding
0.6
#247
5.9
#202
Cost, coverage & limits
Benchmark wins
0 of 4
4 of 4
Input price
$0.25 / M
— / M
Output price
$1.25 / M
— / M
Context window
200,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3 Haiku
Grok-2 mini
Math
4.3#285
15.8#213
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

10 reported for Claude 3 Haiku · 8 for Grok-2 mini

4 shared

Claude 3 Haiku outperforms in 0 benchmarks, while Grok-2 mini is better at 4 benchmarks (GPQA, HumanEval, MATH, MMLU).

Grok-2 mini significantly outperforms across most benchmarks.

Thu Oct 01 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude 3 Haiku specifies input context (200,000 tokens). Only Claude 3 Haiku specifies output context (200,000 tokens).

Anthropic
Claude 3 Haiku
Input200,000 tokens
Output200,000 tokens
xAI
Grok-2 mini
Input- tokens
Output- tokens
Thu Oct 01 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude 3 Haiku and Grok-2 mini support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude 3 Haiku

Text
Images
Audio
Video

Grok-2 mini

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude 3 Haiku

Proprietary

Closed source

Grok-2 mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Haiku was released on 2024-03-13, while Grok-2 mini was released on 2024-08-13.

Grok-2 mini is 5 months newer than Claude 3 Haiku.

Claude 3 Haiku

Mar 13, 2024

2.6 years ago

Grok-2 mini

Aug 13, 2024

2.1 years ago

5mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude 3 Haiku and Grok-2 mini side-by-side, then vote on the output you prefer.

Claude 3 Haiku
✓ Preferred
Grok-2 mini
Open in Playground

FAQ

Common questions about Claude 3 Haiku vs Grok-2 mini.

Which is better, Claude 3 Haiku or Grok-2 mini?

Grok-2 mini leads the LLM Stats Score 8.6 to -1.5. Claude 3 Haiku is made by Anthropic and Grok-2 mini is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude 3 Haiku compare to Grok-2 mini in benchmarks?

Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%. Grok-2 mini scores DocVQA: 93.2%, MMLU: 86.2%, HumanEval: 85.7%, MATH: 73.0%, MMLU-Pro: 72.0%.

What are the context window sizes for Claude 3 Haiku and Grok-2 mini?

Claude 3 Haiku supports 200K tokens and Grok-2 mini supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3 Haiku and Grok-2 mini?

Key differences include LLM Stats Score (-1.5 vs 8.6). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Haiku and Grok-2 mini?

Claude 3 Haiku is developed by Anthropic and Grok-2 mini is developed by xAI.

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