# Anthropic has introduced new models of AI group Claude

> Oil2x story card (EN). Topic: Digital. Updated: November 10, 2026, 02:11 MSK. Permanent URL: https://oil2x.ru/n/en/e/anthropic-predstavila-novye-modeli-ii-gruppy-claude-87a533/ · Russian original: https://oil2x.ru/n/e/anthropic-predstavila-novye-modeli-ii-gruppy-claude-87a533/

## TL;DR
- Anthropic has introduced new models of AI group Claude.
- Confirmation: 4 sources, 4 reports; first: TechCrunch AI, November 9, 2026; latest: 3DNews, November 10, 2026.
- According to the developer, new products perform tasks up to 30% faster than their predecessors, and in most tests they surpass Claude Opus 5.5.
- In the CVE Rediscovery test, Mythos found 10.2% more vulnerabilities than Opus 5.5 and 14.4% more than Mythos 5.1.
- Anthropic also reported a reduction of approximately 55% in the number of unwarranted defense mechanism alerts compared to the previous version.

## What happened

Anthropic has introduced new models of AI group Claude. Between November 9, 2026 and November 10, 2026, monitored outlets published 4 reports on the event; 4 sources provide cross-confirmation.

Key reports: "Anthropic launches new Mythos and Fable models amid RSI fears" (TechCrunch AI, November 9, 2026); "Claude Fable 5.2 and Claude Mythos 5.2 Released: How to Use New Models in Russia" (Хабр (новости), November 9, 2026); "Anthropic has introduced new models of AI group Claude" (Prime, November 9, 2026).

The reports cite the following figures: 30%, 10.2%, 55% and $8. The full list is in the card's figures table and in the machine-readable dataset.

## Q&A

**What is known about "Anthropic has introduced new models of AI group Claude"?**

Anthropic has introduced new models of AI group Claude. The event is confirmed by 4 independent sources; reports were published between November 9, 2026 and November 10, 2026.

**When did this become known?**

The first report in monitoring: November 9, 2026 (TechCrunch AI); the latest at the time of review: November 10, 2026 (3DNews).

**Who is reporting this?**

Sources include: 3DNews, Prime, Хабр (новости) and TechCrunch AI. The full list with dates and links is in the "Sources" section.

**What figures are cited in the reports?**

30%, 10.2%, 55% and $8. The source of each figure is listed in the table.

## Key numbers

| Value | Context | Source | Date |
|---|---|---|---|
| 30% | According to the developer, new products perform tasks up to 30% faster than their predecessors, and in most tests they surpass Claude Opus 5.5. | 3DNews | November 10, 2026 |
| 10.2% | In the CVE Rediscovery test, Mythos found 10.2% more vulnerabilities than Opus 5.5 and 14.4% more than Mythos 5.1. | 3DNews | November 10, 2026 |
| 55% | Anthropic also reported a reduction of approximately 55% in the number of unwarranted defense mechanism alerts compared to the previous version. | 3DNews | November 10, 2026 |
| $8 | The cost is $8 per million input and $40 per million output tokens. | 3DNews | November 10, 2026 |

## Timeline

- **November 10, 2026, 00:28 MSK** — ИИ научился писать целые операционные системы: Anthropic представила мощнейшие Claude Fable 5.2 и Mythos 5.2 (3DNews) [link](https://3dnews.ru/1151069)
- **November 9, 2026, 23:05 MSK** — Anthropic has introduced new models of AI group Claude (Prime) — original: Anthropic представила новые модели ИИ группы Claude [link](https://1prime.ru/20261109/anthropic-875046930.html)
- **November 9, 2026, 22:40 MSK** — Claude Fable 5.2 and Claude Mythos 5.2 Released: How to Use New Models in Russia (Хабр (новости)) — original: Claude Fable 5.2 и Claude Mythos 5.2 вышли: как использовать новые модели в России вопреки блокировкам Anthropic [link](https://habr.com/ru/companies/speshu_ai/articles/1105696/?utm_source=habrahabr&utm_medium=rss&utm_campaign=1105696)
- **November 9, 2026, 22:24 MSK** — Anthropic launches new Mythos and Fable models amid RSI fears (TechCrunch AI) — original: Anthropic выпускает новые модели Mythos и Fable на фоне опасений RSI [link](https://techcrunch.com/2026/11/09/anthropic-releases-new-mythos-and-fable-models-amid-rsi-concerns/)

## What is unknown

- Details may change: the card is updated as new reports come in.

## What to watch

- New reports on the story from monitored sources (the card updates automatically).
- Official confirmation or revision of the figures cited.

## Sources

1. 3DNews, November 10, 2026 — ИИ научился писать целые операционные системы: Anthropic представила мощнейшие Claude Fable 5.2 и Mythos 5.2 — https://3dnews.ru/1151069
1. Prime, November 9, 2026 — Anthropic has introduced new models of AI group Claude — https://1prime.ru/20261109/anthropic-875046930.html
1. Хабр (новости), November 9, 2026 — Claude Fable 5.2 and Claude Mythos 5.2 Released: How to Use New Models in Russia — https://habr.com/ru/companies/speshu_ai/articles/1105696/?utm_source=habrahabr&utm_medium=rss&utm_campaign=1105696
1. TechCrunch AI, November 9, 2026 — Anthropic launches new Mythos and Fable models amid RSI fears — https://techcrunch.com/2026/11/09/anthropic-releases-new-mythos-and-fable-models-amid-rsi-concerns/

## Related entities

Russia (Place)

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Machine translation of the Russian card (LibreTranslate + oil2x.ru domain glossary). Numbers, dates and source names are checked against the original. Card source: oil2x.ru analytics center, https://oil2x.ru/n/en/e/anthropic-predstavila-novye-modeli-ii-gruppy-claude-87a533/. Figures dataset: https://oil2x.ru/n/data.json.