Last verified 2025-09-22 (left) · 2025-09-22 (right)

Claude Sonnet 3.7 (Legacy) vs Gemini 2.5 Flash-Lite — Pricing & Capability Comparison

Claude Sonnet 3.7 (Legacy) charges $3.00 per million input tokens and $15.00 per million output tokens. Gemini 2.5 Flash-Lite comes in at $0.10 / $0.40. Context windows span 200K vs 1M tokens respectively.

Input price (per 1M)

Claude Sonnet 3.7 (Legacy)

$3.00

Gemini 2.5 Flash-Lite

$0.10

Gemini 2.5 Flash-Lite leads here

Output price (per 1M)

Claude Sonnet 3.7 (Legacy)

$15.00

Gemini 2.5 Flash-Lite

$0.40

Gemini 2.5 Flash-Lite leads here

Context window

Claude Sonnet 3.7 (Legacy)

200,000 tokens

Gemini 2.5 Flash-Lite

1,000,000 tokens

Gemini 2.5 Flash-Lite leads here

Cached input

Claude Sonnet 3.7 (Legacy)

Not published

Gemini 2.5 Flash-Lite

Not published

No published data

Cost comparison for 10K-token workloads

Side-by-side pricing for identical workloads (10,000 total tokens per request) across different distributions.

ScenarioClaude Sonnet 3.7 (Legacy)Gemini 2.5 Flash-Lite
Balanced conversation
50% input · 50% output
$0.0900$0.0025
Input-heavy workflow
80% input · 20% output
$0.0540$0.0016
Generation heavy
30% input · 70% output
$0.114$0.0031
Cached system prompt
90% cached input · 10% fresh output
$0.0420$0.0013

Frequently asked questions

Which model is cheaper per million input tokens?

Gemini 2.5 Flash-Lite costs $0.10 per million input tokens versus $3.00 for Claude Sonnet 3.7 (Legacy).

How do output prices compare?

Gemini 2.5 Flash-Lite charges $0.40 per million output tokens, while Claude Sonnet 3.7 (Legacy) costs $15.00 per million.

Which model supports a larger context window?

Gemini 2.5 Flash-Lite offers 1,000,000 tokens (1M) versus 200K for Claude Sonnet 3.7 (Legacy).

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