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Claude 3.5 Haiku vs Grok-2 mini

Claude 3.5 Haiku and Grok-2 mini are closely matched at 5.4 and 8.8 on the LLM Stats Score.

Anthropic · xAI · Updated for 2026

Which is better?

Claude 3.5 Haiku and Grok-2 mini are closely matched on the overall LLM Stats Score at 5.4 and 8.8.

In the 4 individual benchmarks reported for both models, Grok-2 mini wins 3; 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 3.5 Haiku

  • you want the most recent training data — it shipped Oct 2024

Choose Grok-2 mini

  • you value its reported benchmark strengths — it wins 3 of 4 exact shared results

At a glance

The differences that matter most.

Claude 3.5 Haiku
Anthropic
Grok-2 mini
xAI
Core performance indexes
LLM Stats Score
5.4
#286
8.8
#262
Reasoning
5.6
#282
8.4
#264
Coding
4.4
#202
6.0
#186
Cost, coverage & limits
Benchmark wins
1 of 4
3 of 4
Input price
$0.80 / M
— / M
Output price
$4.00 / M
— / M
Context window
200,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3.5 Haiku
Grok-2 mini
Math
10.8#241
16.0#203
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude 3.5 Haiku · 8 for Grok-2 mini

4 shared

Claude 3.5 Haiku outperforms in 1 benchmarks (HumanEval), while Grok-2 mini is better at 3 benchmarks (GPQA, MATH, MMLU-Pro).

Grok-2 mini shows notably better performance in the majority of benchmarks.

Thu Sep 03 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 3.5 Haiku specifies input context (200,000 tokens). Only Claude 3.5 Haiku specifies output context (200,000 tokens).

Anthropic
Claude 3.5 Haiku
Input200,000 tokens
Output200,000 tokens
xAI
Grok-2 mini
Input- tokens
Output- tokens
Thu Sep 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-2 mini supports multimodal inputs, whereas Claude 3.5 Haiku does not.

Grok-2 mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3.5 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 3.5 Haiku

Proprietary

Closed source

Grok-2 mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Haiku was released on 2024-10-22, while Grok-2 mini was released on 2024-08-13.

Claude 3.5 Haiku is 2 months newer than Grok-2 mini.

Claude 3.5 Haiku

Oct 22, 2024

1.9 years ago

2mo newer
Grok-2 mini

Aug 13, 2024

2.1 years ago

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?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude 3.5 Haiku and Grok-2 mini side-by-side, then vote on the output you prefer.

Claude 3.5 Haiku
✓ Preferred
Grok-2 mini
Open in Playground

FAQ

Common questions about Claude 3.5 Haiku vs Grok-2 mini.

Which is better, Claude 3.5 Haiku or Grok-2 mini?

Claude 3.5 Haiku and Grok-2 mini are closely matched on the LLM Stats Score at 5.4 and 8.8. Claude 3.5 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 3.5 Haiku compare to Grok-2 mini in benchmarks?

Claude 3.5 Haiku scores HumanEval: 88.1%, MGSM: 85.6%, DROP: 83.1%, MATH: 69.4%, MMLU-Pro: 65.0%. 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 3.5 Haiku and Grok-2 mini?

Claude 3.5 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 3.5 Haiku and Grok-2 mini?

Key differences include LLM Stats Score (5.4 vs 8.8), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Haiku and Grok-2 mini?

Claude 3.5 Haiku is developed by Anthropic and Grok-2 mini is developed by xAI.

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