Model Comparison
Claude 3.5 Haiku vs Grok-3Which is better in 2026?
Grok-3 significantly outperforms across most benchmarks. Claude 3.5 Haiku is 3.8x cheaper per token.
Verdict: Claude 3.5 Haiku vs Grok-3 — which is better?
Claude 3.5 Haiku (by Anthropic) and Grok-3 (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 is better at 1 benchmark (GPQA). Grok-3 significantly outperforms across most benchmarks.
On price, Claude 3.5 Haiku is roughly 3.8x 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…
- cost matters — it's about 3.8x cheaper per token
- you process long inputs — it offers a 200,000 token context window
Choose Grok-3 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you want the most recent training data — it shipped Feb 2025
Performance Benchmarks
Comparative analysis across standard metrics
Claude 3.5 Haiku outperforms in 0 benchmarks, while Grok-3 is better at 1 benchmark (GPQA).
Grok-3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3.5 Haiku ($0.80/1M tokens) is 3.8x cheaper than Grok-3 ($3.00/1M tokens).
For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 3.8x cheaper than Grok-3 ($15.00/1M tokens).
In conclusion, Grok-3 is more expensive than Claude 3.5 Haiku.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude 3.5 Haiku accepts 200,000 input tokens compared to Grok-3's 128,000 tokens. Claude 3.5 Haiku can generate longer responses up to 200,000 tokens, while Grok-3 is limited to 8,000 tokens.
Input Capabilities
Supported data types and modalities
Grok-3 supports multimodal inputs, whereas Claude 3.5 Haiku does not.
Grok-3 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude 3.5 Haiku
Grok-3
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude 3.5 Haiku was released on 2024-10-22, while Grok-3 was released on 2025-02-17.
Grok-3 is 4 months newer than Claude 3.5 Haiku.
Oct 22, 2024
1.6 years ago
Feb 17, 2025
1.3 years ago
3mo newerKnowledge Cutoff
When training data ends
Grok-3 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's training data extends to 2024-11-17, but cannot make a direct comparison without Claude 3.5 Haiku's cutoff date.
—
Nov 2024
Provider Availability
Claude 3.5 Haiku is available from Bedrock, Google, Anthropic. Grok-3 is available from xAI.
Claude 3.5 Haiku
Grok-3
Outputs Comparison
Key Takeaways
Claude 3.5 Haiku
View detailsAnthropic
Claude 3.5 HaikuGrok-3Detailed Comparison
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FAQ
Common questions about Claude 3.5 Haiku vs Grok-3.