Is Gemini 2.5 Pro or Claude Sonnet 5 cheaper?

Gemini 2.5 Pro is significantly cheaper on input. It costs $1.25/$10.00 per 1M tokens while Sonnet 5 costs $2.00/$10.00. That's 38% cheaper on input with the same output pricing. At 1M tokens/month, Gemini 2.5 Pro costs $11.25 vs Sonnet 5's $12.00.

What is Claude Sonnet 5 used for?

Claude Sonnet 5 at $2.00/$10.00 is Anthropic's mid-tier model, designed for a balance of capability and cost. It excels at coding, analysis, writing, and complex reasoning tasks. It has a 1M token context window and is the default choice for many production workloads.

When should I use Gemini 2.5 Pro vs Sonnet 5?

Gemini 2.5 Pro ($1.25/$10.00) is ideal for cost-sensitive production workloads, high-volume APIs, and tasks where 38% input savings matter. Sonnet 5 ($2.00/$10.00) is preferred when you need Anthropic's strongest mid-tier model for coding, analysis, or tasks requiring Claude's specific capabilities.

Do Gemini 2.5 Pro and Sonnet 5 have the same context window?

Yes! Both Gemini 2.5 Pro and Claude Sonnet 5 have 1M token context windows. This makes them directly comparable for large document processing, codebase analysis, and other context-heavy tasks. The key difference is price, not capability.

Can I use both models together?

Yes! A common pattern: use Gemini 2.5 Pro ($1.25/$10.00) for high-volume, cost-sensitive tasks and route complex coding or analysis tasks to Sonnet 5 ($2.00/$10.00). This gives you 38% input savings on bulk work while keeping access to Anthropic's capabilities where they matter.

Gemini 2.5 Pro vs Claude Sonnet 5 — Mid-Tier AI Pricing 2026

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