Is Claude Sonnet 5 or Gemini 3 Flash cheaper?

Gemini 3 Flash is much cheaper. It costs $0.50/$3.00 per 1M tokens while Sonnet 5 costs $2.00/$10.00. That's 75% cheaper on input and 70% cheaper on output. Both have 1M context windows.

What is Claude Sonnet 5 used for?

Claude Sonnet 5 at $2/$10 is Anthropic's mid-tier model, designed for complex reasoning, code generation, analysis, and tasks requiring high accuracy. It has a 1M token context window and is considered more capable than budget models.

When should I use Sonnet 5 vs Gemini 3 Flash?

Sonnet 5 ($2/$10) is better for tasks requiring higher accuracy, complex reasoning, or Anthropic's specific capabilities. Gemini 3 Flash ($0.50/$3) is better for high-volume, cost-sensitive workloads where good-enough capability at 75% lower cost is the priority.

Do both models have the same context window?

Yes. Both Sonnet 5 and Gemini 3 Flash have 1M token context windows. The difference is in capability and price, not context size.

Can I use both models together?

Yes! A cost-effective pattern: use Gemini 3 Flash ($0.50/$3) for 80% of tasks and route complex reasoning or high-accuracy tasks to Sonnet 5 ($2/$10). This gives you Anthropic's premium capability where needed while keeping costs 70%+ lower.