Anthropic Updates Claude Opus 4 Pricing

Anthropic updated pricing and model information for Claude Opus 4 variants, including new model IDs and pricing details, particularly for Claude Haiku 4.5.

May 20, 2026

At a glance

Decide impact, cost movement, and the next step before reading the full diff.

Affected

Anthropic · claude-opus-4

Pricing Change

Cost impact

High · 4/5

Estimated from pricing and window changes

Migration pressure

Medium · 2/5

No explicit deadline yet

Next step

Keep monitoring the official rollout

Do this first, then review field-level details

Impact summary

Use explicit levels instead of abstract charts to judge this change.

Cost

High

Score 4/580%

Quality

Low

Score 0/50%

Migration

Medium

Score 2/540%

Reliability

Low

Score 0/50%

Compliance

Low

Score 0/50%

The changes in pricing and model IDs may require updates in cost calculations and model integration.

Changes

Review changed fields first, then decide whether you need full before/after values.

Before

If you&#x27;re unsure which model to use, consider starting with  Claude Opus 4.7  for the most complex tasks. It is our most capable generally available model, with a step-change improvement in agentic coding over Claude Opus 4.6.
All current Claude models support text and image input, text output, multilingual capabilities, and vision. Models are available through the Claude API,  Claude Platform on AWS ,  Amazon Bedrock ,  Vertex AI , and  Microsoft Foundry .
Once you&#x27;ve picked a model,  learn how to make your first API call .
Feature  Claude Opus 4.7  Claude Sonnet 4.6  Claude Haiku 4.5
Description   Our most capable generally available model for complex reasoning and agentic coding  The best combination of speed and intelligence  The fastest model with near-frontier intelligence
Claude API ID    claude-opus-4-7    claude-sonnet-4-6    claude-haiku-4-5-20251001
Claude API alias    claude-opus-4-7    claude-sonnet-4-6    claude-haiku-4-5
AWS Bedrock ID    anthropic.claude-opus-4-7  3    anthropic.claude-sonnet-4-6    anthropic.claude-haiku-4-5-20251001-v1:0
Vertex AI ID    claude-opus-4-7    claude-sonnet-4-6    claude-haiku-4-5@20251001
Pricing  1   $5 / input MTok
$25 / output MTok  $3 / input MTok
$15 / output MTok  $1 / input MTok

After

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Sources

Each source focuses on what it confirms, without repeating the whole article.

docs

Anthropic Models Docs

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