Grok 4 Fast vs Llama 3.3 70B Instruct: Specs & Benchmark Comparison
| Characteristic | Grok 4 Fast | Llama 3.3 70B Instruct |
|---|---|---|
| Company | xAI | Meta |
| Release Date | August 27, 2025 | December 6, 2024 |
| Parameters | — | 70B |
| Multimodal | Yes | No |
| Context (input) | 2.0M | 128K |
| Context (output) | 30K | 128K |
| Input Price / 1M | $0.20 | $0.88 |
| Output Price / 1M | $0.50 | $0.88 |
| Average Score | 0.8 | 0.8 |
| Benchmarks | ||
| GPQA | 0.9 | 0.5 |
Visual Benchmark Comparison
Grok 4 Fast
Llama 3.3 70B Instruct
GPQA0.9 vs 0.5
0.9
0.5
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, Llama 3.3 70B Instruct — 0.8.
API Cost
Grok 4 Fast is 2.5x cheaper: input $0.20/1M vs $0.88/1M 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 12/6/2024.
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Frequently Asked Questions
Which is better for coding — Grok 4 Fast or Llama 3.3 70B Instruct?
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 Llama 3.3 70B Instruct?
Grok 4 Fast is cheaper for input: $0.20 per 1M tokens vs $0.88.
Which has a larger context window — Grok 4 Fast or Llama 3.3 70B Instruct?
Grok 4 Fast supports a larger context: 2,000,000 tokens vs 128,000.
The Grok 4 Fast and Llama 3.3 70B Instruct 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 Llama 3.3 70B Instruct page. See also the complete list of AI model comparisons.