Compare · ModelsLive · 2 picked · head to head

DeepSeek V3 vs DeepSeek V4 Flash

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

Winner summary

DeepSeek V4 Flash wins 1 of 1 shared benchmarks. Leads in arena.

Category leads
arena·DeepSeek V4 Flash
Hype vs Reality
DeepSeek V3
#59 by perf·no signal
QUIET
DeepSeek V4 Flash
#31 by perf·no signal
QUIET
Best value
4.5x better value than DeepSeek V3
DeepSeek V3
118.0 pts/$
$0.50/M
DeepSeek V4 Flash
533.3 pts/$
$0.13/M
Vendor risk
One or more vendors flagged
DeepSeek logo
DeepSeek
$3.4B·Tier 1
Higher risk
DeepSeek logo
DeepSeek
$3.4B·Tier 1
Higher risk
Head to head
DeepSeek V3DeepSeek V4 Flash
Chatbot Arena Elo · Overall
DeepSeek V4 Flash leads by +75.4
DeepSeek V3
1358.5
DeepSeek V4 Flash
1433.8
Full benchmark table
BenchmarkDeepSeek V3DeepSeek V4 Flash
Chatbot Arena Elo · Overall
1358.51433.8
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
DeepSeek logoDeepSeek V3$0.20$0.80131K tokens (~66 books)$3.50
DeepSeek logoDeepSeek V4 Flash$0.08$0.171.0M tokens (~524 books)$1.05