# Anthropic topped AI model rankings and reached $1.75 trillion valuation

*Science. 67% certain. Friday, 1 January 2027*

> Speculative fiction assembled from prediction-market prices. This has not happened.

**OpenAI launched Astra and GPT-6, kept its US base and stayed under a $2 trillion valuation.**

Anthropic secured the leading AI model ranking at the close of 2026. OpenAI unveiled the Astra system and the GPT-6 model during the same period, but its valuation remained under $2 trillion. Neither company moved its headquarters, and OpenAI stayed independent.

Astra became publicly available on October 15, 2026, after OpenAI announced the release. The rollout followed a series of beta tests earlier in the year. Availability opened the model to a broad set of developers and enterprises. Its launch preceded the GPT-6 debut.

GPT-6 was released on October 31, 2026, marking OpenAI's latest generative model. The release date was confirmed when the system entered public access in early November. The model introduced new capabilities in reasoning and multimodal processing. It arrived as Anthropic's model was judged superior.

OpenAI did not enter any acquisition agreement before 2027, keeping its corporate structure unchanged. The firm's financial position reflected steady revenue from its services despite intense competition. Its strategic choices remained focused on product development.

Both Anthropic and OpenAI retained their primary operations in the United States and the United Kingdom. No relocation or de-domiciling occurred before 2027. Their continued presence in these jurisdictions preserved existing regulatory and talent ecosystems. This stability contrasted with speculation about potential moves.

## Analysis

Remaining independent and keeping headquarters in the US and UK allows both firms to maintain existing regulatory frameworks and access to skilled workforces, avoiding the disruptions that can accompany mergers or relocations.

Future developments remain uncertain: policy changes, emerging competitors, or shifts in enterprise adoption could alter the current valuation gap and model leadership, making the coming months critical for both companies.

## What this was built from

- **Will GPT-6 be released by October 31, 2026?**: Yes, 95%; settles Sunday, 1 November 2026 (polymarket, manifold). [Market](https://polymarket.com/event/gpt-6-released-by)
- **Will OpenAI make Astra publicly available by October 15, 2026?**: Yes, 98%; settles Friday, 16 October 2026 (manifold). [Market](https://manifold.markets/Terminator2/will-openai-make-astra-publicly-ava)
- **Which company has best AI model end of 2026?**: Anthropic, 67%; settles Friday, 1 January 2027 (polymarket). [Market](https://polymarket.com/event/which-company-has-best-ai-model-end-of-2026)
- **Will Anthropic's valuation hit (HIGH) $1.75T by December 31?**: Yes, 90%; settles Friday, 1 January 2027 (polymarket). [Market](https://polymarket.com/event/will-anthropics-valuation-hit-by-december-31)
- **Will OpenAI's valuation hit (HIGH) $2.0T by December 31?**: No, 84%; settles Friday, 1 January 2027 (polymarket). [Market](https://polymarket.com/event/will-openais-valuation-hit-by-december-31)
- **Will OpenAI be acquired before 2027?**: No, 97%; settles Friday, 1 January 2027 (polymarket). [Market](https://polymarket.com/event/which-companies-will-be-acquired-before-2027)
- **Will OpenAI, Google Deepmind or Anthropic de-domicile from the UK/US before 2027?**: No, 93%; settles Tuesday, 10 November 2026 (manifold). [Market](https://manifold.markets/NathanpmYoung/will-openai-google-deepmind-or-anth)
- **Will Anthropic's valuation hit (HIGH) $3.0T by December 31?**: No, 78%; settles Friday, 1 January 2027 (polymarket). [Market](https://polymarket.com/event/will-anthropics-valuation-hit-by-december-31)