Claude Mythos

// PRICING

Claude Mythos Pricing

API pricing for Anthropic's Claude model family — from Haiku's lightweight efficiency to Mythos Preview's frontier capabilities.

5x

Mythos is 5x Opus 4.6

Mythos Preview
$25 / M tokens
Output: $125 / M tokens
200K context · 32K max
Opus 4.6
$5 / M tokens
Output: $25 / M tokens
200K context · 32K max
Sonnet 4.6
$3 / M tokens
Output: $15 / M tokens
200K context · 16K max
Haiku 4.5
$1 / M tokens
Output: $5 / M tokens
200K context · 8K max

Claude Model Pricing

Per-token API pricing across the full Claude model family. All prices in USD per million tokens.

Model Input Output Context Window Max Output
Mythos Preview $25/M $125/M 200K 32K
Opus 4.6 $5/M $25/M 200K 32K
Sonnet 4.6 $3/M $15/M 200K 16K
Haiku 4.5 $1/M $5/M 200K 8K
info Mythos Preview is priced at 5x Opus 4.6 — reflecting the compute demands of the most capable model in the Claude family.

// ACCESS & AVAILABILITY

Project Glasswing

Mythos Preview is not available to the general public. Access is restricted to approved organizations as part of Anthropic's cybersecurity defense strategy.

groups

12 Glasswing Founding Partners

Defense, critical infrastructure, and financial sector organizations selected for early access.

verified_user

40+ Early Access Organizations

Broader cohort with priority given to cybersecurity defenders.

payments

$100M Compute Credits

Committed to Glasswing founding partners for vulnerability scanning at scale.

volunteer_activism

$4M Open-Source Donations

Direct funding to open-source security projects and foundations.

Available Platforms

Claude API · Amazon Bedrock · Google Cloud Vertex AI · Microsoft Azure AI Foundry

Mythos Preview is currently restricted to approved partners for cybersecurity defense. Anthropic has stated it needs to become 'much more efficient before any general release.'

Pricing FAQ

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Why is Mythos Preview so much more expensive than Opus?

Mythos represents a fundamentally new model tier — not an Opus upgrade. The 5x cost reflects the massive compute required for frontier-class reasoning and cybersecurity capabilities.

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Can I use Mythos Preview today?

Only if your organization has been approved through the Glasswing program or early access pipeline. Mythos is not available for general API access.

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Will Mythos pricing decrease over time?

Anthropic has indicated that efficiency improvements are needed before broader release. Historical precedent suggests costs will come down as infrastructure scales, but no timeline has been given.

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