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Anthropic API Pricing

paidlast verified September 6, 2026official site ↗

At a glance

Usage-based pay-as-you-go per 1M tokens. Claude 3.5 Sonnet ($3.00 input / $15.00 output), Claude 3.5 Haiku ($0.80-$1.00 input / $4.00-$5.00 output), and Claude 3 Opus ($15.00 input / $75.00 output). Features Prompt Caching (90% discount on cache reads: $0.30/1M for Sonnet 3.5) and Message Batches API (50% discount on async 24h workloads). Includes 200k context window, native Tool Use, Vision, and Computer Use API.

Free & cheaper Model Providers

same category, free plan or open-source license

ClaudeFree tier with core Claude access. Paid subscription plans include Claude Pro at $20/month ($17/month billed annually), Claude Max 5x at $100/month for 5x Pro usage limits, Claude Max 20x at $200/month for heavy agentic coding and power workflows, and Claude Team at $30/user/month ($25/user/month billed annually, 5-seat minimum). Enterprise tier provides custom scalable pricing, SAML SSO, and SCIM provisioning.CerebrasCerebras delivers high-throughput inference powered by its Wafer-Scale Engine (CS-3). It offers a free tier with $5 trial credits, a Developer pay-as-you-go tier with 10x rate limits and per-token pricing starting at $0.10/1M tokens, and custom Enterprise agreements with dedicated wafer hardware and guaranteed SLAs.ChatGPTChatGPT plans (vendor_documented, as-of 2026-09-14): Free; Go (~$8/mo US); Plus $20/mo; Pro from $100/mo (5×) and $200/mo (20×—new $200 sign-ups paused as of 2026-09-10); Business Standard $25/user/mo or $20/user/mo annual (Premium seats $125/$100 annual); Enterprise custom. Product URL: chatgpt.com. Former “Team” plan is now Business. Confirm geo-localized Go/Plus/Pro card amounts on https://chatgpt.com/pricing/.GroqGroq offers ultra-fast LPU inference for open-source AI models. It features a free prototyping tier with zero credit card required, pay-as-you-go developer pricing from $0.05/1M tokens with 50% prompt caching and batch discounts, and dedicated Enterprise LPU capacity.
Anthropic API overview →alternatives →review: 90/100 →

FAQ

How much does Anthropic API cost?

Usage-based pay-as-you-go per 1M tokens. Claude 3.5 Sonnet ($3.00 input / $15.00 output), Claude 3.5 Haiku ($0.80-$1.00 input / $4.00-$5.00 output), and Claude 3 Opus ($15.00 input / $75.00 output). Features Prompt Caching (90% discount on cache reads: $0.30/1M for Sonnet 3.5) and Message Batches API (50% discount on async 24h workloads). Includes 200k context window, native Tool Use, Vision, and Computer Use API.

Does Anthropic API have a free plan?

No — Anthropic API has no free plan; it is a paid tool.

What are free or cheaper Anthropic API alternatives?

Claude, Cerebras, ChatGPT are in the same category with a free plan or open-source license.

pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.