LLMversus

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

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

⚡ Quick Answer

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

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 2.5 FlashInternLM 2.5 20B
ProviderGoogleShanghai AI Lab
Input Price / 1M tokens$0.300$0.180
Output Price / 1M tokens$2.50$0.180
Context Window
1M
32K
Max Output Tokens
8,192
4,096
Arena ELO
1,270
1,155
Coding ELO
1,260
1,150
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Gemini 2.5 Flash

Gemini 2.5 Flash excels at multimodal, general-purpose, coding tasks.

Strengths:

  • Latest Gemini model
  • Improved reasoning
  • Strong multimodal

Best for:

multimodalgeneral-purposecoding
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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