Grok 4 Fast vs Pixtral Large: Specs & Benchmark Comparison
| Characteristic | Grok 4 Fast | Pixtral Large |
|---|---|---|
| Company | xAI | Mistral AI |
| Release Date | August 27, 2025 | November 18, 2024 |
| Parameters | — | 124B |
| Multimodal | Yes | Yes |
| Context (input) | 2.0M | 128K |
| Context (output) | 30K | 128K |
| Input Price / 1M | $0.20 | $2.00 |
| Output Price / 1M | $0.50 | $6.00 |
| Average Score | 0.8 | 0.8 |
Verdict
Grok 4 Fast leads in 3 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Grok 4 Fast — 0.8, Pixtral Large — 0.8.
API Cost
Grok 4 Fast is 11.4x cheaper: input $0.20/1M vs $2.00/1M tokens.
Context Window
Grok 4 Fast supports a larger context: 2M vs 128K tokens.
Recency
Grok 4 Fast is newer: released 8/27/2025 vs 11/18/2024.
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Frequently Asked Questions
Which is better for coding — Grok 4 Fast or Pixtral Large?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Grok 4 Fast or Pixtral Large?
Grok 4 Fast is cheaper for input: $0.20 per 1M tokens vs $2.00.
Which has a larger context window — Grok 4 Fast or Pixtral Large?
Grok 4 Fast supports a larger context: 2,000,000 tokens vs 128,000.
The Grok 4 Fast and Pixtral Large comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Grok 4 Fast or Pixtral Large page. See also the complete list of AI model comparisons.