Compare · ModelsLive · 2 picked · head to head
DeepSeek V4 Flash vs o3 Pro
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
o3 Pro wins on 3/3 benchmarks
o3 Pro wins 3 of 3 shared benchmarks. Leads in general · coding.
Category leads
general·o3 Procoding·o3 Pro
Hype vs Reality
Attention vs performance
DeepSeek V4 Flash
#39 by perf·#5 by attention
o3 Pro
#42 by perf·no signal
Best value
DeepSeek V4 Flash
77.4x better value than o3 Pro
DeepSeek V4 Flash
94.6 pts/$
$0.65/M
o3 Pro
1.2 pts/$
$50.00/M
Vendor risk
Mixed exposure
One or more vendors flagged
DeepSeek
$3.4B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
3 benchmarks · 2 models
DeepSeek V4 Flasho3 Pro
Dtbench
o3 Pro leads by +0.9
DeepSeek V4 Flash
77.3
o3 Pro
78.2
Lmca
o3 Pro leads by +3.1
DeepSeek V4 Flash
42.2
o3 Pro
45.3
WeirdML
o3 Pro leads by +12.6
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
DeepSeek V4 Flash
45.6
o3 Pro
58.2
Full benchmark table
| Benchmark | DeepSeek V4 Flash | o3 Pro |
|---|---|---|
Dtbench | 77.3 | 78.2 |
Lmca | 42.2 | 45.3 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 45.6 | 58.2 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.02 | $1.28 | 1.0M tokens (~524 books) | $3.37 | |
| $20.00 | $80.00 | 200K tokens (~100 books) | $350.00 |