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Claude 3.5 Haiku vs Grok-2 mini

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

Anthropic · xAI · Updated for 2026

Which is better?

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.

Based on current benchmark, 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 want the strongest raw capability — it leads on 3 of 4 shared benchmarks

At a glance

The differences that matter most.

Claude 3.5 Haiku
Anthropic
Grok-2 mini
xAI
Benchmark wins
1 of 4
3 of 4
Input price
$0.80 / M
— / M
Output price
$4.00 / M
— / M
Context window
200,000
—
Released
Oct 2024
Aug 2024
License
Proprietary
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

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.

Wed Aug 26 2026 • llm-stats.com

Arena Performance

Playground indexes and blind 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
Wed Aug 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

1.8 years ago

2mo newer
Grok-2 mini

Aug 13, 2024

2.0 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?

Grok-2 mini shows notably better performance in the majority of benchmarks. 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 benchmark scores, pricing, and capabilities 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 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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