Claude Mythos Preview
Claude Mythos Preview is a chat model from Anthropic, released on 2026-04-07. It accepts text and image input and returns text output. The recorded maximum output is 8K. Cataloged capabilities include Multilingual. The model weights are proprietary and are not published for download. Use the linked references to confirm current access, licensing, and provider-specific limits.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
| Type | Condition | Input | Output |
|---|---|---|---|
| Text | - | $25.00/ 1M | $125.00/ 1M |
Claude Mythos Preview currently shows benchmark results led by GPQA Diamond (1 / 226, score 94.60), HLE (1 / 181, score 64.70), SWE-bench Verified (4 / 114, score 93.90). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.
Claude Mythos Preview is a chat model from Anthropic, released on 2026-04-07.
It accepts text and image input and produces text output. Its cataloged capabilities include Multilingual. The recorded maximum output is 8K.
The model weights are proprietary and are not published for download. The page records 2 API pricing rules from Anthropic; current provider pricing and conditions should be checked before deployment. The evaluation section contains 9 cataloged benchmark results with their recorded modes and scores. The page links 2 release, model-card, repository, or provider references for checking the underlying claims. Specifications, availability, and prices can change; undisclosed values are intentionally left unstated.
Claude Mythos Preview is a chat model from Anthropic, released on 2026-04-07. It accepts text and image input and returns text output. The recorded maximum output is 8K. Cataloged capabilities include Multilingual. The model weights are proprietary and are not published for download. Use the linked references to confirm current access, licensing, and provider-specific limits.
The current model record lists text and image as input and text as output.
The recorded maximum output is 8K. Fields without a source-backed value remain undisclosed.
The page records 2 API pricing rules from Anthropic; current provider pricing and conditions should be checked before deployment.
The evaluation section contains 9 cataloged benchmark results with their recorded modes and scores. Compare only results that use the same benchmark version and evaluation mode.
The model weights are proprietary and are not published for download. Review the linked license text before commercial or derivative use.
Follow DataLearner on WeChat for AI model updates and research notes.
