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Not affiliated with Anthropic. Pricing may change without notice. Always verify on the official Claude documentation before making purchasing decisions.

releasedv4.5 Sonnet / 4.6 Opus· Updated 2026-02-08

Claude API Pricing Tracker

Safety-first reasoning with extended thinking

API Pricing

Inputper 1M tokens
$3.00

Prompt & context tokens sent to the model

Outputper 1M tokens
$15.00

Completion tokens generated by the model

Free Tier Available

Cost Estimator

Cost calculator coming soon

Estimate monthly API costs based on your token usage. Input your expected volume and get an instant breakdown.

Model Parameters

Context
200K tokens
Max Output
128K tokens
Multimodal
Yes
Languages
95+

Key Takeaways

1

Best-in-class for coding and long-document analysis with 200K context.

2

Extended thinking mode enables complex multi-step reasoning at Opus tier.

3

Free tier available via claude.ai; API pricing competitive for high-output tasks.

Frequently Asked Questions

What is Claude?
Claude is a family of AI assistants built by Anthropic. It is available via API and consumer products.
How much does Claude API cost?
Claude Sonnet 4.5 costs $3/M input and $15/M output tokens. Opus pricing varies by tier.
Does Claude support images?
Yes. Claude supports image understanding (vision) across Sonnet and Opus models.
Which Claude model should I choose?
Sonnet 4.5 offers the best balance of speed and capability for most tasks. Opus 4.6 is ideal for complex reasoning and research. Haiku 4.5 is best for high-volume, low-latency workloads.
What is Claude extended thinking?
Extended thinking is a feature in Opus-tier models that allows Claude to reason through complex problems step-by-step before responding, improving accuracy on math, logic, and coding tasks.

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About Claude

Claude is a family of large language models by Anthropic, designed with constitutional AI principles. Known for strong coding, analysis, and long-context tasks.