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Anthropic API Cost Calculator and Comparison

Every Anthropic model, side by side — current API rates, context window, benchmarks, and a live calculator that ranks them at your exact workload. 8 active models, 8 with public pricing, from $0.80/1M to $5.00/1M input. Prices refreshed daily from Anthropic’s official pricing page.

Models tracked

9

Active

8

With public pricing

8

Cheapest input

$0.80/1M

As of April 2026, Anthropic offers 8 active AI models via API, ranging from $0.80/1M to $5.00/1M input tokens. The most context-rich model handles up to 200K tokens. Models include support for vision, tool use. All prices are in USD per 1 million tokens; output tokens cost more than input on every model.

Interactive

Calculate your Anthropic API cost at your workload.

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Every model below updates in real time.

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Ranked by your monthly bill

No models with public pricing available to compare right now.

Pricing at a glance

Blended $/1M tokens across the lineup.

Blended price uses a 3-to-1 input/output ratio — a common industry standard. Green bar = cheapest.

Quick picks

Best Anthropic model for your use case.

Lowest cost

Claude 3.5 Haiku

$0.80/1M input

Largest context

Claude Haiku 4.5

200K tokens

Vision / multimodal

Claude Sonnet 4.6

Image input

Tool use / agents

Claude 3.7 Sonnet

Function calling

Every model

Every Anthropic model — pricing, context & capabilities.

ModelContextInput /1MOutput /1M
Claude 3.5 Haiku200K$0.8$4.00
Claude Haiku 4.5200K$1.00$5.00
Claude Sonnet 4.6200K$3.00$15.00
Claude 3.7 Sonnet200K$3.00$15.00
Claude Sonnet 4.5200K$3.00$15.00
Claude 3.5 Sonnet200K$3.00$15.00
Claude Opus 4.6200K$5.00$25.00
Claude Opus 4.7200K$5.00$25.00
Claude Mythospreview200KPricing TBA—

FAQ

Anthropic — questions we see most.

Pricing patterns, best-known use cases, and how this provider stacks up.

Get instant answers from our AI agent

Anthropic API pricing ranges from $0.80 to $5.00 per 1M input tokens. Output tokens cost more than input on every model. Prices are per 1 million tokens (1M ≈ 750,000 words). Use the calculator above to estimate your monthly spend at your actual workload.
Claude 3.5 Haiku is the lowest-priced Anthropic model with public pricing at $0.80/1M input tokens. It suits high-volume tasks where cost matters most — classification, extraction, summarization, and similar workloads that don't need frontier reasoning.
Claude Opus 4.6 is Anthropic's highest-tier model at $5.00/1M input. It delivers the most sophisticated reasoning, instruction-following, and nuance. For workloads that don't require frontier performance, a mid-tier model typically cuts inference costs substantially.
Claude 3.5 Haiku, Claude Haiku 4.5, Claude Sonnet 4.6 and 5 more support function calling (tool use), required for agentic workflows. Agents need a model that reliably follows structured output schemas — test with your specific tool definitions before committing to production volumes.
Yes — Claude Haiku 4.5, Claude Sonnet 4.6, Claude 3.7 Sonnet, Claude Sonnet 4.5 and 3 more accept image input alongside text. You can pass screenshots, photos, charts, and documents for analysis. Vision adds no separate line-item on most Anthropic models — you're billed for the token equivalent of the image.
Yes — Anthropic supports prompt caching (discounts for repeated context) and batch processing (accept a delay, cut costs ~50%). These rates appear in the table above under "Cached /1M" and "Batch /1M." Caching pays off quickly if your prompts share a long system prompt or document prefix across many calls.
Anthropic has historically adjusted prices when launching new model generations, often cutting rates to stay competitive. Buzzi.ai snapshots pricing daily — you can subscribe to price-drop alerts on any Anthropic model using the "Alert me" button on its detail page.
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