Compare · ModelsLive · 2 picked · head to head
GPT-5.1 vs DeepSeek V3 0324
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.1 wins on 1/1 benchmarks
GPT-5.1 wins 1 of 1 shared benchmarks. Leads in arena.
Category leads
arena·GPT-5.1
Hype vs Reality
Attention vs performance
GPT-5.1
#97 by perf·no signal
DeepSeek V3 0324
#70 by perf·no signal
Best value
DeepSeek V3 0324
12.9x better value than GPT-5.1
GPT-5.1
8.8 pts/$
$5.63/M
DeepSeek V3 0324
113.6 pts/$
$0.48/M
Vendor risk
Mixed exposure
One or more vendors flagged
OpenAI
$840.0B·Tier 1
DeepSeek
$3.4B·Tier 1
Head to head
1 benchmark · 2 models
GPT-5.1DeepSeek V3 0324
Chatbot Arena Elo · Overall
GPT-5.1 leads by +44.0
GPT-5.1
1438.5
DeepSeek V3 0324
1394.6
Full benchmark table
| Benchmark | GPT-5.1 | DeepSeek V3 0324 |
|---|---|---|
Chatbot Arena Elo · Overall | 1438.5 | 1394.6 |
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 | |
| $0.20 | $0.77 | 164K tokens (~82 books) | $3.43 |