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Gemini 2.5 Pro vs InternLM 2.5 20B: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Gemini 2.5 Pro and InternLM 2.5 20B across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 2.5 ProInternLM 2.5 20B
ProviderGoogleShanghai AI Lab
Input Price / 1M tokens$1.25$0.180
Output Price / 1M tokens$10.00$0.180
Context Window
1.048576M
32K
Max Output Tokens
65,536
4,096
Arena ELO
1,430
1,155
Coding ELO
1,430
1,150
TTFT (ms)
400
150
Tokens/sec
70
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use Gemini 2.5 Pro

Gemini 2.5 Pro excels at coding, reasoning, long-context, multimodal tasks.

Strengths:

  • 1M token context window
  • Excellent reasoning capabilities
  • Strong coding performance
  • Native multimodal support

Best for:

codingreasoninglong-contextmultimodal
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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