LLMversus

InternLM 2.5 20B vs Qwen 2.5 72B: Pricing, Benchmarks & Verdict (2026)

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

⚡ Quick Answer

Compare InternLM 2.5 20B and Qwen 2.5 72B across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureInternLM 2.5 20BQwen 2.5 72B
ProviderShanghai AI LabAlibaba
Input Price / 1M tokens$0.180$0.360
Output Price / 1M tokens$0.180$0.400
Context Window
32K
128K
Max Output Tokens
4,096
4,096
Arena ELO
1,155
1,230
Coding ELO
1,150
1,210
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
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
When to Use Qwen 2.5 72B

Qwen 2.5 72B excels at coding, general-purpose tasks.

Strengths:

  • Strong code generation
  • Competitive pricing
  • Large context

Best for:

codinggeneral-purpose

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