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Claude Opus 4.6 vs Gemini 3.1 Flash Lite (batch)

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

Prices updated Aug 15, 2026, 10:39 AM UTC · refreshed hourly

Claude Opus 4.6

Anthropic

Gemini 3.1 Flash Lite (batch)

Google

Pricing
Input $/1M$5.00$0.125
Output $/1M$25.00$0.75
Blended $/1M (3:1)$10.00$0.281
RAG example (30K in / 2K out)$0.2$0.00525
Quality & speed
Intelligence Index38.825.6
Coding Index34.7
Agentic Index
Output speed (tok/s)00
Time to first token0s0s
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 (batch)?

Gemini 3.1 Flash Lite (batch) has the lower blended API price at $0.281 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 (batch) costs about $0.00525 per request versus $0.2. Also compare context windows: Claude Opus 4.6 offers 1M and Gemini 3.1 Flash Lite (batch) offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

Claude Opus 4.6 leads on the Artificial Analysis Intelligence Index (38.8 vs 25.6). Check coding and agentic indices on this page for workload-specific tradeoffs.