Compare Launch app →
Grok vs Pi
Compare Grok vs Pi: pricing, context window, benchmarks (coding, math, reasoning), capabilities. Updated April 2026.
Open in compare tool — pick different models →Grok
grok.com ↗ Pi
pi.ai ↗ Pricing
Free tier
Free with X account, throttled
Fully free, no paid tier
Standard plan
SuperGrok — $30/mo
Free — API only
Top plan
Heavy — $300/mo
API only — API only
API input / 1M tokens
$5.00
$2.50 Best
API output / 1M tokens
$15.00
$10.00 Best
Capability
Context window
256K Best
32K
Max output tokens
16K Best
4K
Knowledge cutoff
2026-02
2025-08
Benchmarks
Coding (LiveCodeBench)
68% Best
—
Math (AIME 2025)
75% Best
55%
Reasoning (GPQA Diamond)
76% Best
62%
Human pref. (LMArena Elo)
1378 Best
1280
Features
Image input
✓
—
Voice mode
Partial
✓
Web search
✓
Partial
File upload
✓
—
Image generation
✓
—
Code execution
Partial
—
Agent / tool use
Partial
—
Persistent memory
Partial
✓
Grok
Real-time X data feed. Image gen via Aurora. Less guarded tone than other frontier models.
Pi
Conversational and EQ-focused. Best voice mode in 2024–2025 (six warm voices). Limited capability vs frontier models. Now part of Microsoft after Inflection acqui-hire.
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