Grok 4 Fast Reasoning ≤128k vs DeepSeek Chat
Side-by-side comparison of pricing and capabilities
Grok 4 Fast Reasoning ≤128k
DeepSeek Chat
Input Price Comparison
| Attribute | Grok 4 Fast Reasoning ≤128k | DeepSeek Chat |
|---|---|---|
| Provider | xAI | DeepSeek |
| Input Price | $0.2 /1M tokens | $0.27 /1M tokens |
| Output Price | $0.5 /1M tokens | $1.1 /1M tokens |
| Cached Input | $0.050 /1M tokens | $0.027 /1M tokens |
| Context Window | 131K | 128K |
| Type | reasoning | chat |
| Status | current | current |
Capability Comparison
| Capability | Grok 4 Fast Reasoning ≤128k | DeepSeek Chat |
|---|---|---|
| reasoning | ||
| coding | ||
| multilingual |
Which should you choose?
Budget-conscious: Grok 4 Fast Reasoning ≤128k is 26% cheaper on input tokens ($0.2 vs $0.27 per 1M tokens).
Context-heavy tasks: Grok 4 Fast Reasoning ≤128k offers a larger context window (131K vs 128K), making it better for long documents or conversations.
Capability fit: Grok 4 Fast Reasoning ≤128k supports 1 capabilities (reasoning), while DeepSeek Chat supports 2 (coding, multilingual).
Frequently Asked Questions
Which is cheaper: Grok 4 Fast Reasoning ≤128k or DeepSeek Chat?
Grok 4 Fast Reasoning ≤128k costs $0.2/1M input vs DeepSeek Chat at $0.27/1M input. Grok 4 Fast Reasoning ≤128k is 26% cheaper on input tokens.
How do output prices compare between Grok 4 Fast Reasoning ≤128k and DeepSeek Chat?
Grok 4 Fast Reasoning ≤128k output: $0.5/1M, DeepSeek Chat output: $1.1/1M. 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 DeepSeek Chat best used for?
DeepSeek Chat is suited for complex reasoning, analysis, and tasks that benefit from its coding and multilingual capabilities.