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Perplexity vs Pi
Compare Perplexity vs Pi: pricing, context window, benchmarks (coding, math, reasoning), capabilities. Updated April 2026.
Open in compare tool — pick different models →Perplexity
perplexity.ai ↗ Pi
pi.ai ↗ Pricing
Free tier
5 Pro searches/day
Fully free, no paid tier
Standard plan
Pro — $20/mo
Free — API only
Top plan
Enterprise — $200/mo
API only — API only
API input / 1M tokens
$3.00
$2.50 Best
API output / 1M tokens
$15.00
$10.00 Best
Capability
Context window
200K Best
32K
Max output tokens
4K
4K Best
Knowledge cutoff
Live (web)
2025-08
Benchmarks
Coding (LiveCodeBench)
—
—
Math (AIME 2025)
—
55% Best
Reasoning (GPQA Diamond)
65% Best
62%
Human pref. (LMArena Elo)
1280
1280 Best
Features
Image input
✓
—
Voice mode
—
✓
Web search
✓
Partial
File upload
✓
—
Image generation
—
—
Code execution
—
—
Agent / tool use
—
—
Persistent memory
—
✓
Perplexity
Search-grounded, not a general assistant. Best when you need cited, real-time answers.
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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