DeepSeek Chat vs DeepSeek V3

DeepSeek Chat vs DeepSeek V3: DeepSeek Chat is cheaper by 91% on average. DeepSeek Chat from DeepSeek (131,072-token context, tool calls) vs. DeepSeek V3 from Azure AI Foundry (128,000-token context). Use Agent Command Center to A/B both in shadow mode and pick the winner per workload.

Side-by-side cost

Live workload comparison

Same workload run through both models. The cheaper one is highlighted.

3,000
0131,072
400
08,192
5,000
01,000,000
DeepSeek
$153/mo
Input $0.280/M · Output $0.420/M
Azure AI Foundry
$798/mo
Input $1.14/M · Output $4.56/M
At this workload, DeepSeek Chat is 81% cheaper than DeepSeek V3 — a savings of $645/month ($7,736/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
  model: deepseek-chat
  provider: deepseek
fallback:
  model: deepseek-v3
  provider: azure-ai-foundry
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live
DeepSeek Chat DeepSeek V3
Input price $0.280/M $1.14/M
Output price $0.420/M $4.56/M
Context window 131,072 128,000
Max output 8,192 8,192
Function calling
Vision
Audio input
Reasoning
Prompt caching
Structured output
Pricing verified May 12, 2026 May 12, 2026
Cheaper option
~91% cheaper than DeepSeek V3
Larger context
131,072 tokens
More capabilities
3 of 6 capability flags advertised

Benchmark comparison

Side-by-side public benchmark scores. Greener bar = winner.

Chatbot Arena ELOgeneral
DeepSeek Chat
DeepSeek V3
1,310
MATHmath
DeepSeek Chat
90.2%
DeepSeek V3
90.2%
MMLUgeneral
DeepSeek Chat
87.1%
DeepSeek V3
88.5%
HumanEvalcode
DeepSeek Chat
82.6%
DeepSeek V3
82.6%
MMLU-Proreasoning
DeepSeek Chat
DeepSeek V3
75.9%
GPQAreasoning
DeepSeek Chat
59.1%
DeepSeek V3
GPQA Diamondreasoning
DeepSeek Chat
DeepSeek V3
59.1%
SWE-bench Verifiedagent
DeepSeek Chat
DeepSeek V3
42.0%
LiveCodeBenchcode
DeepSeek Chat
DeepSeek V3
40.5%
AIME 2024math
DeepSeek Chat
DeepSeek V3
39.6%