Model Comparison

Claude 3.5 Haiku vs Grok-3 MiniWhich is better in 2026?

Grok-3 Mini significantly outperforms across most benchmarks. Grok-3 Mini is 4.6x cheaper per token.

Verdict: Claude 3.5 Haiku vs Grok-3 Mini — which is better?

Claude 3.5 Haiku (by Anthropic) and Grok-3 Mini (by xAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Claude 3.5 Haiku outperforms in 0 benchmarks, while Grok-3 Mini is better at 1 benchmark (GPQA). Grok-3 Mini significantly outperforms across most benchmarks.

On price, Grok-3 Mini is roughly 4.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude 3.5 Haiku also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude 3.5 Haiku if…

  • you process long inputs — it offers a 200,000 token context window

Choose Grok-3 Mini if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • cost matters — it's about 4.6x cheaper per token
  • you want the most recent training data — it shipped Feb 2025
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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude 3.5 Haiku outperforms in 0 benchmarks, while Grok-3 Mini is better at 1 benchmark (GPQA).

Grok-3 Mini significantly outperforms across most benchmarks.

Mon Jun 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Grok-3 Mini costs less

For input processing, Claude 3.5 Haiku ($0.80/1M tokens) is 2.7x more expensive than Grok-3 Mini ($0.30/1M tokens).

For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 8.0x more expensive than Grok-3 Mini ($0.50/1M tokens).

In conclusion, Claude 3.5 Haiku is more expensive than Grok-3 Mini.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Jun 15 2026 • llm-stats.com
Anthropic
Claude 3.5 Haiku
Input tokens$0.80
Output tokens$4.00
Best providerAWS Bedrock
xAI
Grok-3 Mini
Input tokens$0.30
Output tokens$0.50
Best providerxAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude 3.5 Haiku accepts 200,000 input tokens compared to Grok-3 Mini's 128,000 tokens. Claude 3.5 Haiku can generate longer responses up to 200,000 tokens, while Grok-3 Mini is limited to 8,000 tokens.

Anthropic
Claude 3.5 Haiku
Input200,000 tokens
Output200,000 tokens
xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
Mon Jun 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-3 Mini supports multimodal inputs, whereas Claude 3.5 Haiku does not.

Grok-3 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-3 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-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Haiku was released on 2024-10-22, while Grok-3 Mini was released on 2025-02-17.

Grok-3 Mini is 4 months newer than Claude 3.5 Haiku.

Claude 3.5 Haiku

Oct 22, 2024

1.6 years ago

Grok-3 Mini

Feb 17, 2025

1.3 years ago

3mo newer

Knowledge Cutoff

When training data ends

Grok-3 Mini has a documented knowledge cutoff of 2024-11-17, while Claude 3.5 Haiku's cutoff date is not specified.

We can confirm Grok-3 Mini's training data extends to 2024-11-17, but cannot make a direct comparison without Claude 3.5 Haiku's cutoff date.

Claude 3.5 Haiku

—

Grok-3 Mini

Nov 2024

Provider Availability

Claude 3.5 Haiku is available from Bedrock, Google, Anthropic. Grok-3 Mini is available from xAI.

Claude 3.5 Haiku

bedrock logo
AWS Bedrock
Input Price:Input: $0.80/1MOutput Price:Output: $4.00/1M
google logo
Google
Input Price:Input: $0.80/1MOutput Price:Output: $4.00/1M
anthropic logo
Anthropic
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M

Grok-3 Mini

xai logo
xAI
Input Price:Input: $0.30/1MOutput Price:Output: $0.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
xAI
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (84.0% vs 41.6%)
AnthropicClaude 3.5 Haiku
xAIGrok-3 Mini
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Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3.5 Haiku
xAI
Grok-3 Mini

FAQ

Common questions about Claude 3.5 Haiku vs Grok-3 Mini.

Which is better, Claude 3.5 Haiku or Grok-3 Mini?

Grok-3 Mini significantly outperforms across most benchmarks. Claude 3.5 Haiku is made by Anthropic and Grok-3 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-3 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-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%.

Is Claude 3.5 Haiku cheaper than Grok-3 Mini?

Grok-3 Mini is 2.7x cheaper for input tokens. Claude 3.5 Haiku costs $0.80/M input and $4.00/M output via bedrock. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai.

What are the context window sizes for Claude 3.5 Haiku and Grok-3 Mini?

Claude 3.5 Haiku supports 200K tokens and Grok-3 Mini supports 128K 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-3 Mini?

Key differences include context window (200K vs 128K), input pricing ($0.80 vs $0.30/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Haiku and Grok-3 Mini?

Claude 3.5 Haiku is developed by Anthropic and Grok-3 Mini is developed by xAI.

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