LLMversus

DeepSeek V2.5 vs InternLM 2.5 20B: Pricing, Benchmarks & Verdict (2026)

Pricing verified Sep 14, 2026By LLMversusUpdated September 17, 2026View methodology

⚡ Quick Answer

Compare DeepSeek V2.5 and InternLM 2.5 20B across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureDeepSeek V2.5InternLM 2.5 20B
ProviderDeepSeekShanghai AI Lab
Input Price / 1M tokens$0.140$0.180
Output Price / 1M tokens$0.280$0.180
Context Window
128K
32K
Max Output Tokens
4,096
4,096
Arena ELO
1,200
1,155
Coding ELO
1,220
1,150
TTFT (ms)
150
150
Tokens/sec
100
100
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 InternLM 2.5 20B

InternLM 2.5 20B excels at cost-effective, general-purpose tasks.

Strengths:

  • Very affordable
  • Good instruction following
  • Fast

Best for:

cost-effectivegeneral-purpose

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