Model Comparison

Claude Haiku 4.5 vs Grok-3 MiniWhich is better in 2026?

Grok-3 Mini significantly outperforms across most benchmarks. Grok-3 Mini is 5.7x cheaper per token.

Verdict: Claude Haiku 4.5 vs Grok-3 Mini — which is better?

Claude Haiku 4.5 (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 Haiku 4.5 outperforms in 0 benchmarks, while Grok-3 Mini is better at 2 benchmarks (AIME 2025, GPQA). Grok-3 Mini significantly outperforms across most benchmarks.

On price, Grok-3 Mini is roughly 5.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Haiku 4.5 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Haiku 4.5 if…

  • you process long inputs — it offers a 200,000 token context window
  • you want the most recent training data — it shipped Oct 2025

Choose Grok-3 Mini if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • cost matters — it's about 5.7x cheaper per token

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude Haiku 4.5 outperforms in 0 benchmarks, while Grok-3 Mini is better at 2 benchmarks (AIME 2025, GPQA).

Grok-3 Mini significantly outperforms across most benchmarks.

Fri Jul 10 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 Haiku 4.5 ($1.00/1M tokens) is 3.3x more expensive than Grok-3 Mini ($0.30/1M tokens).

For output processing, Claude Haiku 4.5 ($5.00/1M tokens) is 10.0x more expensive than Grok-3 Mini ($0.50/1M tokens).

In conclusion, Claude Haiku 4.5 is more expensive than Grok-3 Mini.*

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

Lowest available price from all providers
Fri Jul 10 2026 • llm-stats.com
Anthropic
Claude Haiku 4.5
Input tokens$1.00
Output tokens$5.00
Best providerAnthropic
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 Haiku 4.5 accepts 200,000 input tokens compared to Grok-3 Mini's 128,000 tokens. Claude Haiku 4.5 can generate longer responses up to 64,000 tokens, while Grok-3 Mini is limited to 8,000 tokens.

Anthropic
Claude Haiku 4.5
Input200,000 tokens
Output64,000 tokens
xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
Fri Jul 10 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Haiku 4.5 and Grok-3 Mini support multimodal inputs.

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

Claude Haiku 4.5

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 Haiku 4.5

Proprietary

Closed source

Grok-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Haiku 4.5 was released on 2025-10-15, while Grok-3 Mini was released on 2025-02-17.

Claude Haiku 4.5 is 8 months newer than Grok-3 Mini.

Claude Haiku 4.5

Oct 15, 2025

8 months ago

8mo newer
Grok-3 Mini

Feb 17, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

Claude Haiku 4.5 has a knowledge cutoff of 2025-02-01, while Grok-3 Mini has a cutoff of 2024-11-17.

Claude Haiku 4.5 has more recent training data (up to 2025-02-01), making it potentially better informed about events through that date compared to Grok-3 Mini (2024-11-17).

Claude Haiku 4.5

Feb 2025

3 mo newer
Grok-3 Mini

Nov 2024

Provider Availability

Claude Haiku 4.5 is available from Anthropic, Vertex AI. Grok-3 Mini is available from xAI.

Claude Haiku 4.5

anthropic logo
Anthropic
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M
vertex logo
Unknown Organization
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
Less expensive input tokens
Less expensive output tokens
Higher AIME 2025 score (90.8% vs 80.7%)
Higher GPQA score (84.0% vs 73.0%)
AnthropicClaude Haiku 4.5
xAIGrok-3 Mini
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Haiku 4.5 and Grok-3 Mini side-by-side, then vote on the output you prefer.

Claude Haiku 4.5
✓ Preferred
Grok-3 Mini
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Haiku 4.5
xAI
Grok-3 Mini

FAQ

Common questions about Claude Haiku 4.5 vs Grok-3 Mini.

Which is better, Claude Haiku 4.5 or Grok-3 Mini?

Grok-3 Mini significantly outperforms across most benchmarks. Claude Haiku 4.5 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 Haiku 4.5 compare to Grok-3 Mini in benchmarks?

Claude Haiku 4.5 scores Tau2 Retail: 83.2%, MMMLU: 83.0%, Tau2 Telecom: 83.0%, AIME 2025: 80.7%, SWE-Bench Verified: 73.3%. Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%.

Is Claude Haiku 4.5 cheaper than Grok-3 Mini?

Grok-3 Mini is 3.3x cheaper for input tokens. Claude Haiku 4.5 costs $1.00/M input and $5.00/M output via anthropic. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai.

What are the context window sizes for Claude Haiku 4.5 and Grok-3 Mini?

Claude Haiku 4.5 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 Haiku 4.5 and Grok-3 Mini?

Key differences include context window (200K vs 128K), input pricing ($1.00 vs $0.30/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 4.5 and Grok-3 Mini?

Claude Haiku 4.5 is developed by Anthropic and Grok-3 Mini is developed by xAI.

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