Claude 3.5 Sonnet latest vs DeepSeek V3
Claude 3.5 Sonnet latest vs DeepSeek V3: DeepSeek V3 is cheaper by 70% on average. Claude 3.5 Sonnet latest from Anthropic (200,000-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
0200,000
400
08,192
5,000
01,000,000
At this workload, DeepSeek V3 is 65% cheaper than Claude 3.5 Sonnet latest — a savings of $1,485/month ($17,817/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
model: deepseek-v3
provider: azure-ai-foundry
fallback:
model: claude-3-5-sonnet-latest
provider: anthropic
shadow: { sample_rate: 0.05 } # mirror 5% of traffic to compare quality live| Claude 3.5 Sonnet latest | DeepSeek V3 | |
|---|---|---|
| Input price | $3.00/M | $1.14/M |
| Output price | $15.00/M | $4.56/M |
| Context window | 200,000 | 128,000 |
| Max output | 8,192 | 8,192 |
| Function calling | ✓ | — |
| Vision | ✓ | — |
| Audio input | — | — |
| Reasoning | — | — |
| Prompt caching | ✓ | — |
| Structured output | ✓ | — |
| Pricing verified | May 7, 2026 | May 12, 2026 |
Benchmark comparison
Side-by-side public benchmark scores. Greener bar = winner.
Chatbot Arena ELOgeneral
Claude 3.5 Sonnet latest
1,283
DeepSeek V3
1,310
HumanEvalcode
Claude 3.5 Sonnet latest
93.7%
DeepSeek V3
82.6%
MMLUgeneral⚠ different settings
Claude 3.5 Sonnet latest
88.7%
DeepSeek V3
88.5%
GPQA Diamondreasoning⚠ different settings
Claude 3.5 Sonnet latest
65.0%
DeepSeek V3
59.1%
SWE-bench Verifiedagent
Claude 3.5 Sonnet latest
49.0%
DeepSeek V3
42.0%