LLMversus

Gemini 1.5 Pro vs InternLM 2.5 20B: Pricing, Benchmarks & Verdict (2026)

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

⚡ Quick Answer

Compare Gemini 1.5 Pro and InternLM 2.5 20B across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 1.5 ProInternLM 2.5 20B
ProviderGoogleShanghai AI Lab
Input Price / 1M tokens$1.25$0.180
Output Price / 1M tokens$5.00$0.180
Context Window
2M
32K
Max Output Tokens
8,192
4,096
Arena ELO
1,230
1,155
Coding ELON/A1,150
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use Gemini 1.5 Pro

Gemini 1.5 Pro excels at multimodal, long-context, vision tasks.

Strengths:

  • Largest context window (2M)
  • Strong multimodal
  • Video understanding

Best for:

multimodallong-contextvision
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

Related Comparisons

Claude Opus 4 vs Gemini 1.5 ProClaude Opus 4 vs InternLM 2.5 20BClaude Sonnet 4 vs Gemini 1.5 ProClaude Sonnet 4 vs InternLM 2.5 20BGemini 1.5 Pro vs Gemini 2 5 ProGemini 2 5 Pro vs InternLM 2.5 20BClaude Haiku 4 vs Gemini 1.5 ProClaude Haiku 4 vs InternLM 2.5 20BDeepseek R1 vs Gemini 1.5 ProDeepseek R1 vs InternLM 2.5 20BGemini 1.5 Pro vs Qwen 2 5 MaxInternLM 2.5 20B vs Qwen 2 5 MaxGemini 1.5 Pro vs Gemini 2 0 FlashGemini 2 0 Flash vs InternLM 2.5 20BDeepseek V3 vs Gemini 1.5 ProDeepseek V3 vs InternLM 2.5 20BGemini 1.5 Pro vs O3 MiniInternLM 2.5 20B vs O3 MiniGemini 1.5 Pro vs O3InternLM 2.5 20B vs O3