Claude API Pricing 2026: Every Model, Every Tier Explained
Complete guide to Anthropic Claude API pricing — Opus, Sonnet, and Haiku tiers, prompt caching discounts, and how Claude compares to GPT-4o at scale.
Anthropic's Claude family covers three tiers — Opus (frontier), Sonnet (balanced), and Haiku (fast/cheap) — with distinct pricing at each level. All Claude 4 and Claude 3.5 models support prompt caching, which can reduce input costs by up to 90%. This guide covers every Claude model, their pricing, and how they compare to OpenAI.
All Claude Models — Pricing Table
Claude 4 vs Claude 3.5: What Changed?
Claude 4 (Opus 4.7, Sonnet 4.6, Opus 4.6, Opus 4.5, Haiku 4.5) represents Anthropic's latest generation with improved reasoning, longer context handling, and better instruction following. All Claude 4 models support extended thinking (similar to OpenAI o3) for complex reasoning tasks. Claude 3.5 Sonnet and 3.5 Haiku remain excellent for cost-sensitive workloads and have proven reliability in production.
Claude Opus vs Sonnet vs Haiku: Cost Comparison
At 10,000 requests/day (2,000 input + 1,000 output tokens):
When to Use Each Tier
Claude vs GPT-4o: Price Comparison
Prompt Caching: Claude's Cost Advantage
All Claude models support prompt caching — and Anthropic offers the most aggressive caching discounts in the industry. If your prompts contain a large, repeated prefix (system prompt, few-shot examples, RAG context), caching can reduce your effective input cost by 50–90%.
View full Claude pricing: Anthropic API pricing → | Claude Sonnet vs GPT-4o →