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

Grok 4.20 Beta 0309 (Reasoning)vsPixtral Large

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

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Grok 4.20 Beta 0309 (Reasoning)

Input
$2/M
Output
$6/M
Speed
238 tok/s
TTFT
10.94s
Mistral

Pixtral Large

Input
$2/M
Output
$6/M
Speed
55 tok/s
TTFT
0.43s

Winner by Category

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

Pricing Comparison

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

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 4.20 Beta 0309 (Reasoning)
238 tok/s
Pixtral Large
55 tok/s
Time to First Token (seconds) — lower is better
Grok 4.20 Beta 0309 (Reasoning)
10.94s
Pixtral Large
0.43s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
48.514.0
Coding Index
42.2
Math Index
2.3
GPQA Diamond
88.5%50.5%
MMLU-Pro
70.1%
LiveCodeBench
26.1%
AIME 2025
2.3%
MATH-500
71.4%
Humanity's Last Exam
30.0%3.6%
SciCode
44.7%29.2%
IFBench
82.9%34.5%
TerminalBench
40.9%
Grok 4.20 Beta 0309 (Reasoning)7 wins
5 winsPixtral Large

Frequently Asked Questions

Which is cheaper, Grok 4.20 Beta 0309 (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 Beta 0309 (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 Beta 0309 (Reasoning) generates tokens faster at 238 tok/s vs 55 tok/s. However, Pixtral Large has lower time-to-first-token (0.43s vs 10.94s).

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

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