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Gemini 2.5 Flash vs DeepSeek V3

Which is better in 2026?

Gemini 2.5 Flash

88

Veltrix Score

vs

DeepSeek V3

87

Veltrix Score

Detailed Scores

Gemini 2.5 Flash — Scores

Coding87
Reasoning88
Creativity84
Speed95
Cost Efficiency88
Context: 1000K tokens
API: $0.3 / $2.5 per 1M tokens

DeepSeek V3 — Scores

Coding88
Reasoning86
Creativity78
Speed82
Cost Efficiency95
Context: 164K tokens
API: $0.27 / $1.1 per 1M tokens

Key Differences

AspectGemini 2.5 FlashDeepSeek V3
Veltrix Score88/10087/100
Context Window1000K tokens164K tokens
API Cost (input/output per 1M)$0.3 / $2.5$0.27 / $1.1
Coding87/10088/100
Reasoning88/10086/100
Speed95/10082/100

Best for — Gemini 2.5 Flash

  • +Code generation and review
  • +Complex reasoning tasks
  • +Creative writing
  • +Fast response times
  • +Cost-efficient at scale

Best for — DeepSeek V3

  • +Code generation and review
  • +Complex reasoning tasks
  • +Fast response times
  • +Cost-efficient at scale

Analysis

Gemini 2.5 Flash and DeepSeek V3 are both popular choices in the llm space. With Veltrix Scores of 88 and 87 respectively, they are closely matched overall.

In coding benchmarks, DeepSeek V3 takes the lead. For reasoning tasks, Gemini 2.5 Flash performs stronger. For cost-conscious developers, DeepSeek V3 offers better value per token.

This comparison is generated from live Veltrix ranking data. Scores are updated multiple times per week as new benchmarks and user data become available.

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