LLMversus

DeepSeek V3 vs GPT-3.5 Turbo: Pricing, Benchmarks & Verdict (2026)

Pricing verified Aug 3, 2026By LLMversusUpdated August 8, 2026View methodology

⚡ Quick Answer

Compare DeepSeek V3 and GPT-3.5 Turbo across pricing, benchmarks, and capabilities.

Updated: August 3, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureDeepSeek V3GPT-3.5 Turbo
ProviderDeepSeekOpenAI
Input Price / 1M tokens$0.269$0.500
Output Price / 1M tokens$0.400$1.50
Context Window
128K
16K
Max Output Tokens
8,192
4,096
Arena ELO
1,359
1,120
Coding ELO
1,359
1,100
TTFT (ms)
220
150
Tokens/sec
85
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use DeepSeek V3

DeepSeek V3 excels at coding, general-purpose, cost-sensitive, open-source tasks.

Strengths:

  • Excellent coding performance for its price
  • Open-source and self-hostable
  • Very competitive benchmarks
  • Extremely affordable

Best for:

codinggeneral-purposecost-sensitiveopen-source
When to Use GPT-3.5 Turbo

GPT-3.5 Turbo excels at cost-effective, general-purpose tasks.

Strengths:

  • Very cheap
  • Fast
  • Widely used

Best for:

cost-effectivegeneral-purpose

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