Why use Claude Mythos Preview on Microsoft Foundry?
Microsoft Foundry offers Claude Mythos Preview with competitive pricing. Microsoft Foundry is a unified Azure platform-as-a-service offering for enterprise AI operations, model builders, and application development.
Compare Claude Mythos Preview across 2 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: claude-mythos-previewclaude-mythos-previewRequest example
claude-mythos-preview.Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
Compare Claude Mythos Preview Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Anthropic | $25.00 | $125.00 |
| Microsoft Foundry | — | — |
Capabilities
About Claude Mythos Preview
Claude Mythos Preview is Anthropic's frontier research model, positioned above the public Claude 4 family and released exclusively via invitation-only Project Glasswing to roughly 12 launch partners and over 40 organizations working on critical infrastructure. No public API or self-serve access. Specializes in defensive cybersecurity — autonomously identified zero-day vulnerabilities including a 27-year-old OpenBSD TCP SACK remote code execution bug and a 17-year-old FreeBSD NFS RCE. Codenamed Capybara internally. Scores 93.9% on SWE-bench Verified, 82.0% on Terminal-Bench 2.0, and 97.6% on USAMO 2026. Partner pricing: $25/$125 per million tokens (input/output). Max output: 128K tokens. Knowledge cutoff: December 2025.
FAQ
What is the context window for Claude Mythos Preview on Microsoft Foundry?
Claude Mythos Preview supports a 1,000,000 token context window on Microsoft Foundry.
How does Microsoft Foundry compare to other Claude Mythos Preview providers?
Claude Mythos Preview is available from 2 providers. The cheapest input pricing is $25.00/1M tokens from Anthropic.
What API model ID do I use for Claude Mythos Preview on Microsoft Foundry?
Use the model ID claude-mythos-preview when calling Microsoft Foundry's API.
Who created Claude Mythos Preview?
Claude Mythos Preview was created by Anthropic as part of the Claude Mythos model family.
Is Claude Mythos Preview open source?
Claude Mythos Preview is not open source; the seed data lists it as proprietary.