Compare · ModelsLive · 2 picked · head to head
GPT-5 vs DeepSeek V4 Flash
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
DeepSeek V4 Flash wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · GPT-5 · DeepSeek V4 Flash are still filling in scores.
Hype vs Reality
Attention vs performance
GPT-5
#98 by perf·no signal
DeepSeek V4 Flash
#31 by perf·no signal
Best value
DeepSeek V4 Flash
56.4x better value than GPT-5
GPT-5
9.5 pts/$
$5.63/M
DeepSeek V4 Flash
533.3 pts/$
$0.13/M
Vendor risk
Mixed exposure
One or more vendors flagged
OpenAI
$840.0B·Tier 1
DeepSeek
$3.4B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.25 | $10.00 | 400K tokens (~200 books) | $34.38 | |
| $0.08 | $0.17 | 1.0M tokens (~524 books) | $1.05 |