Claude Sonnet 4.6 vs Gemini 3.1 Flash Lite Preview

List-price comparison · Claude Sonnet 4.6 details · Gemini 3.1 Flash Lite Preview details

For a typical workload (100,000 requests / mo), Gemini 3.1 Flash Lite Preview costs 91% less — $90.00/mo vs $960.00/mo.

	Claude Sonnet 4.6	Gemini 3.1 Flash Lite Preview
Input / 1M tokens	$3.00	$0.250
Output / 1M tokens	$15.00	$1.50
Typical request (1,200 in + 400 out)	$0.0096	$0.0009
Context window	1M tokens	1,048,576 tokens
Max output	128k tokens	65,536 tokens
Tier	Balanced	Balanced
Provider	Anthropic	Google

Projected monthly cost

1,000 requests / month$9.60 vs $0.9 10,000 requests / month$96.00 vs $9.00 100,000 requests / month$960.00 vs $90.00

Rows open both models in the calculator — adjust volume and token counts there.

Claude Sonnet 4.6

Strong price-to-performance for production agents: reliable tool use, structured JSON output, and solid coding ability at roughly a fifth of Opus's cost.

Can still misstep on the hardest multi-step reasoning chains where Opus would succeed — budget for occasional escalation to a flagship model.

Gemini 3.1 Flash Lite Preview

Auto-synced from OpenRouter — no editorial write-up yet.

More comparisons

Claude Sonnet 4.6 vs Claude Haiku 4.5 →Claude Sonnet 4.6 vs Claude Opus 4.8 →Claude Sonnet 4.6 vs DeepSeek R1 →Claude Sonnet 4.6 vs DeepSeek V3.2 →

Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.