Compare · ModelsLive · 2 picked · head to head

GPT-5.2 Pro vs DeepSeek V4 Flash

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Not enough overlapping benchmarks to declare a winner yet · GPT-5.2 Pro · DeepSeek V4 Flash are still filling in scores.

Hype vs Reality
GPT-5.2 Pro
#62 by perf·no signal
QUIET
DeepSeek V4 Flash
no bench·no signal
QUIET
Best value
GPT-5.2 Pro
0.6 pts/$
$94.50/M
DeepSeek V4 Flash
$0.21/M
Vendor risk
One or more vendors flagged
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
DeepSeek logo
DeepSeek
$3.4B·Tier 1
Higher risk
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
OpenAI logoGPT-5.2 Pro$21.00$168.00400K tokens (~200 books)$577.50
DeepSeek logoDeepSeek V4 Flash$0.14$0.281.0M tokens (~524 books)$1.75