DeepSeek V3 vs Llama 3.3 70B Instruct

DeepSeek V3 vs Llama 3.3 70B Instruct: Llama 3.3 70B Instruct is cheaper by 84% on average. DeepSeek V3 from Azure AI Foundry (128,000-token context) vs. Llama 3.3 70B Instruct from Azure AI Foundry (128,000-token context, tool calls). 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
0128,000
400
08,192
5,000
01,000,000
Azure AI Foundry
$798/mo
Input $1.14/M · Output $4.56/M
Azure AI Foundry
$367/mo
Input $0.710/M · Output $0.710/M
At this workload, Llama 3.3 70B Instruct is 54% cheaper than DeepSeek V3 — a savings of $431/month ($5,168/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
  model: llama-3-3-70b-instruct
  provider: azure-ai-foundry
fallback:
  model: deepseek-v3
  provider: azure-ai-foundry
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live
DeepSeek V3 Llama 3.3 70B Instruct
Input price $1.14/M $0.710/M
Output price $4.56/M $0.710/M
Context window 128,000 128,000
Max output 8,192 2,048
Function calling
Vision
Audio input
Reasoning
Prompt caching
Structured output
Pricing verified May 12, 2026 May 12, 2026
Cheaper option
~84% cheaper than DeepSeek V3
Larger context
128,000 tokens
More capabilities
1 of 6 capability flags advertised

Benchmark comparison

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

Chatbot Arena ELOgeneral
DeepSeek V3
1,310
Llama 3.3 70B Instruct
1,268
IFEvalgeneral
DeepSeek V3
Llama 3.3 70B Instruct
92.1%
MATHmath
DeepSeek V3
90.2%
Llama 3.3 70B Instruct
77.0%
MMLUgeneral
DeepSeek V3
88.5%
Llama 3.3 70B Instruct
86.0%
HumanEvalcode
DeepSeek V3
82.6%
Llama 3.3 70B Instruct
88.4%
BFCL v3agent
DeepSeek V3
Llama 3.3 70B Instruct
77.3%
MMLU-Proreasoning
DeepSeek V3
75.9%
Llama 3.3 70B Instruct
68.9%
GPQA Diamondreasoning
DeepSeek V3
59.1%
Llama 3.3 70B Instruct
GPQAreasoning
DeepSeek V3
Llama 3.3 70B Instruct
50.5%
SWE-bench Verifiedagent
DeepSeek V3
42.0%
Llama 3.3 70B Instruct
LiveCodeBenchcode
DeepSeek V3
40.5%
Llama 3.3 70B Instruct
AIME 2024math
DeepSeek V3
39.6%
Llama 3.3 70B Instruct