Compare · ModelsLive · 2 picked · head to head

Phi 4 vs DeepSeek V3.1

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

Winner summary

DeepSeek V3.1 wins 2 of 2 shared benchmarks. Leads in arena · knowledge.

Category leads
arena·DeepSeek V3.1knowledge·DeepSeek V3.1
Hype vs Reality
Phi 4
#126 by perf·no signal
QUIET
DeepSeek V3.1
#88 by perf·no signal
QUIET
Best value
3.7x better value than DeepSeek V3.1
Phi 4
421.5 pts/$
$0.10/M
DeepSeek V3.1
113.6 pts/$
$0.45/M
Vendor risk
One or more vendors flagged
Microsoft logo
Microsoft
$3.00T·Big Tech
Low risk
DeepSeek logo
DeepSeek
$3.4B·Tier 1
Higher risk
Head to head
Phi 4DeepSeek V3.1
Chatbot Arena Elo · Overall
DeepSeek V3.1 leads by +162.4
Phi 4
1255.4
DeepSeek V3.1
1417.9
Lech Mazur Writing
DeepSeek V3.1 leads by +22.6
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
Phi 4
62.6
DeepSeek V3.1
85.2
Full benchmark table
BenchmarkPhi 4DeepSeek V3.1
Chatbot Arena Elo · Overall
1255.41417.9
Lech Mazur Writing
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
62.685.2
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Microsoft logoPhi 4$0.07$0.1416K tokens (~8 books)$0.84
DeepSeek logoDeepSeek V3.1$0.15$0.7533K tokens (~16 books)$3.00