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Simulate Prompt Caching Savings, Cache Write Premiums & Cache Read Discounts Across Claude, GPT-4o, DeepSeek & Gemini

Model multi-turn agent context caching, 5-minute TTL write/read economics, and break-even thresholds across Anthropic Claude 3.5/3.7 Sonnet, OpenAI GPT-4o, DeepSeek V3/R1, and Google Gemini 1.5/2.0 Pro.

✓ AI Prompt FinOps & Context Cache Benchmark Target Keyword: "prompt caching cost calculator claude gpt-4o deepseek" (125,000/mo) Est. Ad RPM: $54 – $92
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How to Use the Prompt Caching Cost Calculator

  1. STEP 01
    Select your LLM provider and model (Claude 3.5/3.7 Sonnet, OpenAI GPT-4o, DeepSeek V3/R1, or Gemini 1.5 Pro).
  2. STEP 02
    Select your expected cache hit rate (50%, 75%, or 90% based on request repetition within TTL).
  3. STEP 03
    Enter your monthly total input tokens (Millions), monthly output tokens (Millions), and percentage of tokens eligible for caching.
  4. STEP 04
    Review side-by-side total monthly costs without caching vs with caching, net dollar savings, percentage saved, and cross-model comparison.

Frequently Asked Questions (Prompt Caching Cost Calculator)

How does prompt caching pricing differ between Anthropic Claude and OpenAI GPT-4o?

Anthropic Claude applies an explicit 5-minute TTL cache: writing to the cache costs 25% extra ($3.75/M vs $3.00/M base), but reading from the cache gives a massive 90% discount ($0.30/M). OpenAI automatically caches repeated prompt prefixes longer than 1,024 tokens with no write surcharge and applies a flat 50% discount on cached input tokens ($1.25/M vs $2.50/M base).

What is the break-even threshold for Anthropic Claude prompt caching?

Because Anthropic charges a 25% premium on cache write ($3.75/M vs $3.00/M), you break even on the very second request using that cached prefix within 5 minutes ($3.75 write + $0.30 read = $4.05 for 2 calls vs $6.00 uncached, saving 32.5%). Every subsequent cache read delivers pure 90% savings.

Does DeepSeek support prompt caching?

Yes, DeepSeek natively supports prompt caching on their official API and through OpenRouter. DeepSeek cache hits cost an ultra-low $0.014 per 1M tokens (90% discount off the already low $0.14/M base rate), making context caching virtually free for heavy agentic workflows.