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TokenAtlas

Anthropic Claude Pricing

Claude pricing spans a 90× range between Haiku and Opus. Anthropic's aggressive prompt-cache discount changes the economics on long-context and RAG workloads.

Current per-token rates

Claude 3.5 Sonnet: $3/$15 per 1M. Claude 3.5 Haiku: $0.80/$4. Claude 3 Opus: $15/$75. All billed per token.

Prompt caching economics

Cache write: 1.25× standard input rate. Cache read: 0.1× standard input rate. Break-even at ~2 reuses. High-reuse system prompts get 90% off input.

Batch API and other discounts

Anthropic Batch: 50% off both sides. Enterprise contracts available above ~$20K/mo with custom rate cards.

Worked cost example

RAG assistant: 8K context + 600 output, 50K calls/month, 70% cache hit rate. Sonnet uncached ≈ $1,650. With caching ≈ $620. Caching pays back in 24h of traffic.

When each tier fits

Sonnet: default for production reasoning. Haiku: chat, classification, high-volume routes. Opus: research and edge cases only — Sonnet now matches it on most benchmarks at one-fifth the price.

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