Grok 4 Fast Reasoning ≤128k vs Claude 3 Haiku
Side-by-side comparison of pricing and capabilities
Grok 4 Fast Reasoning ≤128k
Claude 3 Haiku
Input Price Comparison
| Attribute | Grok 4 Fast Reasoning ≤128k | Claude 3 Haiku |
|---|---|---|
| Provider | xAI | Anthropic |
| Input Price | $0.2 /1M tokens | $0.25 /1M tokens |
| Output Price | $0.5 /1M tokens | $1.25 /1M tokens |
| Cached Input | $0.050 /1M tokens | $0.025 /1M tokens |
| Context Window | 131K | 200K |
| Type | reasoning | chat |
| Status | current | current |
Capability Comparison
| Capability | Grok 4 Fast Reasoning ≤128k | Claude 3 Haiku |
|---|---|---|
| reasoning | ||
| coding | ||
| multilingual |
Which should you choose?
Budget-conscious: Grok 4 Fast Reasoning ≤128k is 20% cheaper on input tokens ($0.2 vs $0.25 per 1M tokens).
Context-heavy tasks: Claude 3 Haiku offers a larger context window (200K vs 131K), making it better for long documents or conversations.
Capability fit: Grok 4 Fast Reasoning ≤128k supports 1 capabilities (reasoning), while Claude 3 Haiku supports 2 (coding, multilingual).
Frequently Asked Questions
Which is cheaper: Grok 4 Fast Reasoning ≤128k or Claude 3 Haiku?
Grok 4 Fast Reasoning ≤128k costs $0.2/1M input vs Claude 3 Haiku at $0.25/1M input. Grok 4 Fast Reasoning ≤128k is 20% cheaper on input tokens.
How do output prices compare between Grok 4 Fast Reasoning ≤128k and Claude 3 Haiku?
Grok 4 Fast Reasoning ≤128k output: $0.5/1M, Claude 3 Haiku output: $1.25/1M. Grok 4 Fast Reasoning ≤128k is more economical for generation-heavy workloads.
What is Grok 4 Fast Reasoning ≤128k best used for?
Grok 4 Fast Reasoning ≤128k is best for budget-conscious applications, high-volume chatbots, and tasks where cost efficiency is the primary concern.
What is Claude 3 Haiku best used for?
Claude 3 Haiku is suited for complex reasoning, analysis, and tasks that benefit from its coding and multilingual capabilities.