Compare/Grok 4.20 0309 v2 (Reasoning) vs Pixtral Large

Grok 4.20 0309 v2 (Reasoning)vsPixtral Large

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

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Grok 4.20 0309 v2 (Reasoning)

Input
$2/M
Output
$6/M
Speed
91 tok/s
TTFT
30.52s
Mistral

Pixtral Large

Input
$2/M
Output
$6/M
Speed
56 tok/s
TTFT
0.49s

Winner by Category

Cheaper
Tie
Faster (tok/s)
Grok 4.20 0309 v2 (Reasoning)
Lower Latency
Pixtral Large
Benchmarks (7-5)
Grok 4.20 0309 v2 (Reasoning)

Pricing Comparison

MetricGrok 4.20 0309 v2 (Reasoning)Pixtral Large
Input ($/M tokens)$2$2
Output ($/M tokens)$6$6
Cost for 1M input + 100K output tokens:
Grok 4.20 0309 v2 (Reasoning)$2.60
Pixtral Large$2.60

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 4.20 0309 v2 (Reasoning)
91 tok/s
Pixtral Large
56 tok/s
Time to First Token (seconds) — lower is better
Grok 4.20 0309 v2 (Reasoning)
30.52s
Pixtral Large
0.49s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
49.314.0
Coding Index
40.5
Math Index
2.3
GPQA Diamond
91.1%50.5%
MMLU-Pro
70.1%
LiveCodeBench
26.1%
AIME 2025
2.3%
MATH-500
71.4%
Humanity's Last Exam
32.2%3.6%
SciCode
45.6%29.2%
IFBench
81.2%34.5%
TerminalBench
37.9%
Grok 4.20 0309 v2 (Reasoning)7 wins
5 winsPixtral Large

Frequently Asked Questions

Which is cheaper, Grok 4.20 0309 v2 (Reasoning) or Pixtral Large?

Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.

Which model performs better on benchmarks?

Grok 4.20 0309 v2 (Reasoning) wins 7 out of 12 benchmarks compared to 5 for Pixtral Large. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Grok 4.20 0309 v2 (Reasoning) generates tokens faster at 91 tok/s vs 56 tok/s. However, Pixtral Large has lower time-to-first-token (0.49s vs 30.52s).

When should I use Grok 4.20 0309 v2 (Reasoning) vs Pixtral Large?

Choose based on your priorities: both are similarly priced, Grok 4.20 0309 v2 (Reasoning) for stronger benchmark performance, and Grok 4.20 0309 v2 (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.