LV
LLMversus

DeepSeek V2.5 vs o1: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare DeepSeek V2.5 and o1 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureDeepSeek V2.5o1
ProviderDeepSeekOpenAI
Input Price / 1M tokens$0.140$15.00
Output Price / 1M tokens$0.280$60.00
Context Window
128K
200K
Max Output Tokens
4,096
100,000
Arena ELO
1,200
1,310
Coding ELO
1,220
1,310
TTFT (ms)
150
500
Tokens/sec
100
20
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use DeepSeek V2.5

DeepSeek V2.5 excels at coding, general-purpose tasks.

Strengths:

  • Excellent value
  • Strong code generation
  • Good quality

Best for:

codinggeneral-purpose
When to Use o1

o1 excels at reasoning, coding, math tasks.

Strengths:

  • Best reasoning model
  • Code execution
  • Extended thinking

Best for:

reasoningcodingmath

Related Comparisons

Claude Opus 4 vs o1Claude Opus 4 vs DeepSeek V2.5Gemini 2 5 Pro vs o1DeepSeek V2.5 vs Gemini 2 5 Proo1 vs O3DeepSeek V2.5 vs O3Deepseek R1 vs o1Deepseek R1 vs DeepSeek V2.5o1 vs Qwen 3 235bGemini Exp 1206 vs o1Gpt 4 5 vs o1Groq Deepseek R1 vs o1Llama 4 Maverick vs o1o1 vs Together Deepseek R1Grok 3 vs o1Claude Sonnet 4 vs o1Deepseek V3 vs o1Gemini 2 0 Flash Thinking vs o1o1 vs O3 MiniClaude 3 5 Sonnet vs o1