Migrate off Claude Mythos Preview
DeprecatedClaude Mythos Preview is deprecated. Anthropic's official replacement is Claude Mythos 5. The cheapest comparable model we track is Llama 4 Scout (17B-16E Instruct) (Meta) at $0.15 per 1M tokens blended.
Last verified: 26 Sep 2026 · sourced from official provider documentation
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Claude Mythos Preview → Claude Mythos 5
| Spec | Claude Mythos Preview | Claude Mythos 5 |
|---|---|---|
| Status | Deprecated | Preview |
| Blended price /1M | — | $20 |
| Input / output /1M | — | $10 / $50 |
| Context window | 1M | 1M |
| Max output | — | 128.000 |
| Modality | text, image, vision | text, image, vision |
| Knowledge cutoff | — | — |
API string was claude-mythos-preview → switch to claude-mythos-5. See Claude Mythos 5's full spec sheet →
Budget-friendly replacements for Claude Mythos Preview
Generally-available models that match Claude Mythos Preview's capabilities (and at least half its 1M context), ranked by blended price. Every number is computed from official catalog prices.
| Model | Blended /1M | Input / output | Context |
|---|---|---|---|
| Llama 4 Scout (17B-16E Instruct) Meta | $0.15 | $0.1 / $0.3 | 10M |
| Qwen3.5-Flash Alibaba | $0.175 | $0.1 / $0.4 | 1M |
| GPT-6 Luna OpenAI | $0.2 | $0.1 / $0.5 | 1.1M |
Migrating off Claude Mythos Preview
What replaces Claude Mythos Preview?
Anthropic's recommended migration for Claude Mythos Preview is Claude Mythos 5. The cheapest comparable model in our catalog is Llama 4 Scout (17B-16E Instruct) (Meta) at $0.15/1M blended.
When is Claude Mythos Preview shut down?
Claude Mythos Preview is deprecated; Anthropic has not yet published a firm shutdown date. Plan your migration now.
What is the cheapest alternative to Claude Mythos Preview?
Llama 4 Scout (17B-16E Instruct) (Meta) is the cheapest generally-available alternative we track that matches Claude Mythos Preview's capabilities, at $0.1 per 1M input and $0.3 per 1M output tokens ($0.15/1M blended).
Browse the full deprecation watch → or see Claude Mythos Preview's full spec sheet →
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