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DeepSeek vs Pi

Compare DeepSeek vs Pi: pricing, context window, benchmarks (coding, math, reasoning), capabilities. Updated April 2026.

Updated April 2026

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DeepSeek
DeepSeek · DeepSeek V3
chat.deepseek.com ↗
Pi
Inflection AI · Pi 3
pi.ai ↗
Pricing
Free tier
Fully free in the consumer app
Fully free, no paid tier
Standard plan
API only — API only
Free — API only
Top plan
API only — API only
API only — API only
API input / 1M tokens
$0.27 Best
$2.50
API output / 1M tokens
$1.10 Best
$10.00
Capability
Context window
128K Best
32K
Max output tokens
8K Best
4K
Knowledge cutoff
2026-01
2025-08
Benchmarks
Coding (LiveCodeBench)
70% Best
Math (AIME 2025)
72% Best
55%
Reasoning (GPQA Diamond)
73% Best
62%
Human pref. (LMArena Elo)
1356 Best
1280
Features
Image input
Partial
Voice mode
Web search
Partial
File upload
Partial
Image generation
Code execution
Partial
Agent / tool use
Persistent memory
DeepSeek

Open weights. ~20× cheaper API than GPT-5.2. Chinese hosting raises data-residency considerations for some.

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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