AiCostCompare

Claude Opus 4.6 vs Gemini 3.1 Flash Lite Preview

Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and Gemini 3.1 Flash Lite Preview (Google). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 3:44 AM UTC · refreshed hourly

Claude Opus 4.6

Anthropic

Gemini 3.1 Flash Lite Preview

Google

Pricing
Input $/1M$5.00$0.25
Output $/1M$25.00$1.50
Blended $/1M (3:1)$10.00$0.563
RAG example (30K in / 2K out)$0.2$0.0105
Quality & speed
Intelligence Index37.825
Coding Index34.7
Agentic Index6.2
Output speed (tok/s)57326
Time to first token1.85s4.89s
Specs
Context window1M1.05M
Input modalitiestext, image, filetext, image, video, file, audio

FAQ

Which is cheaper, Claude Opus 4.6 or Gemini 3.1 Flash Lite Preview?

Gemini 3.1 Flash Lite Preview has the lower blended API price at $0.563 per 1M tokens (3:1 input:output mix), versus $10.00 for the other model. Prices are live from OpenRouter and refresh about hourly.

Which is better for RAG workloads?

For a typical RAG request (30K input / 2K output tokens), Gemini 3.1 Flash Lite Preview costs about $0.0105 per request versus $0.2. Also compare context windows: Claude Opus 4.6 offers 1M and Gemini 3.1 Flash Lite Preview offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

Claude Opus 4.6 leads on the Artificial Analysis Intelligence Index (37.8 vs 25). Check coding and agentic indices on this page for workload-specific tradeoffs.