Model Comparison

Claude 3.5 Haiku vs Grok-2

Grok-2 significantly outperforms across most benchmarks. Claude 3.5 Haiku is 2.5x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Claude 3.5 Haiku outperforms in 0 benchmarks, while Grok-2 is better at 4 benchmarks (GPQA, HumanEval, MATH, MMLU-Pro).

Grok-2 significantly outperforms across most benchmarks.

Mon Apr 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Claude 3.5 Haiku costs less

For input processing, Claude 3.5 Haiku ($0.80/1M tokens) is 2.5x cheaper than Grok-2 ($2.00/1M tokens).

For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 2.5x cheaper than Grok-2 ($10.00/1M tokens).

In conclusion, Grok-2 is more expensive than Claude 3.5 Haiku.*

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

Lowest available price from all providers
Mon Apr 13 2026 • llm-stats.com
Anthropic
Claude 3.5 Haiku
Input tokens$0.80
Output tokens$4.00
Best providerAWS Bedrock
xAI
Grok-2
Input tokens$2.00
Output tokens$10.00
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-2's 128,000 tokens. Claude 3.5 Haiku can generate longer responses up to 200,000 tokens, while Grok-2 is limited to 8,000 tokens.

Anthropic
Claude 3.5 Haiku
Input200,000 tokens
Output200,000 tokens
xAI
Grok-2
Input128,000 tokens
Output8,000 tokens
Mon Apr 13 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

Grok-2 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

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

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

Claude 3.5 Haiku

Oct 22, 2024

1.5 years ago

2mo newer
Grok-2

Aug 13, 2024

1.7 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

Provider Availability

Claude 3.5 Haiku is available from Bedrock, Google, Anthropic. Grok-2 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-2

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Less expensive input tokens
Less expensive output tokens
xAI
Supports multimodal inputs
Higher GPQA score (56.0% vs 41.6%)
Higher HumanEval score (88.4% vs 88.1%)
Higher MATH score (76.1% vs 69.4%)
Higher MMLU-Pro score (75.5% vs 65.0%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3.5 Haiku
xAI
Grok-2

FAQ

Common questions about Claude 3.5 Haiku vs Grok-2

Grok-2 significantly outperforms across most benchmarks. Claude 3.5 Haiku is made by Anthropic and Grok-2 is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude 3.5 Haiku scores HumanEval: 88.1%, MGSM: 85.6%, DROP: 83.1%, MATH: 69.4%, MMLU-Pro: 65.0%. Grok-2 scores DocVQA: 93.6%, HumanEval: 88.4%, MMLU: 87.5%, MATH: 76.1%, MMLU-Pro: 75.5%.
Claude 3.5 Haiku is 2.5x cheaper for input tokens. Claude 3.5 Haiku costs $0.80/M input and $4.00/M output via bedrock. Grok-2 costs $2.00/M input and $10.00/M output via xai.
Claude 3.5 Haiku supports 200K tokens and Grok-2 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 128K), input pricing ($0.80 vs $2.00/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.
Claude 3.5 Haiku is developed by Anthropic and Grok-2 is developed by xAI.