Compare · ModelsLive · 2 picked · head to head
DeepSeek V4 Pro vs GPT-5 Chat
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
DeepSeek V4 Pro wins on 1/1 benchmarks
DeepSeek V4 Pro wins 1 of 1 shared benchmarks. Leads in arena.
Category leads
arena·DeepSeek V4 Pro
Hype vs Reality
Attention vs performance
DeepSeek V4 Pro
#13 by perf·no signal
GPT-5 Chat
#3 by perf·#1 by attention
Best value
DeepSeek V4 Pro
7.7x better value than GPT-5 Chat
DeepSeek V4 Pro
112.8 pts/$
$0.65/M
GPT-5 Chat
14.6 pts/$
$5.63/M
Vendor risk
Mixed exposure
One or more vendors flagged
DeepSeek
$3.4B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
1 benchmark · 2 models
DeepSeek V4 ProGPT-5 Chat
Chatbot Arena Elo · Overall
DeepSeek V4 Pro leads by +29.3
DeepSeek V4 Pro
1455.9
GPT-5 Chat
1426.6
Full benchmark table
| Benchmark | DeepSeek V4 Pro | GPT-5 Chat |
|---|---|---|
Chatbot Arena Elo · Overall | 1455.9 | 1426.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.43 | $0.87 | 1.0M tokens (~524 books) | $5.44 | |
| $1.25 | $10.00 | 128K tokens (~64 books) | $34.38 |