OpenAI Launches GPT-6 Astra, Ties Anthropic for Top Spot: what are the key facts?

On September 3, OpenAI released GPT-6 Astra, which significantly outperformed its predecessor across multiple benchmarks.

OpenAI Launches GPT-6 Astra, Ties Anthropic for Top Spot: what are the key facts?

Independent evaluations show Astra tied with Claude Fable 5.1 for first place on the comprehensive leaderboard.

OpenAI Launches GPT-6 Astra, Ties Anthropic for Top Spot: what are the key facts?

As of late July, Anthropic's annualized revenue exceeded $65 billion, surpassing OpenAI's $40 billion.

OpenAI Launches GPT-6 Astra, Ties Anthropic for Top Spot: what are the key facts?

OpenAI is accelerating its push into the enterprise market, with active users of Codex breaking 15 million.

Physix Frontier · News Briefing Card (enbrief · Sep 9, 2026)

OpenAI Launches GPT-6 Astra, Ties Anthropic for Top Spot

KEY FACTS

On September 3, OpenAI released GPT-6 Astra, which significantly outperformed its predecessor across multiple benchmarks.
Independent evaluations show Astra tied with Claude Fable 5.1 for first place on the comprehensive leaderboard.
As of late July, Anthropic's annualized revenue exceeded $65 billion, surpassing OpenAI's $40 billion.
OpenAI is accelerating its push into the enterprise market, with active users of Codex breaking 15 million.

KEY DATA

97.6%FrontierMath Tier 4 Score

99.9%ARC-AGI-3 Highest Score

$965BAnthropic Valuation

15MOpenAI Codex Weekly Active Users

PHYSIX OBSERVATION

Returning to the top tier in model capability is merely an entry ticket; the commercial moat is shifting from 'intelligence ceiling' to 'workflow penetration.' OpenAI’s move to close its agent gap aims to reclaim enterprise share, but customers now prioritize cost-effectiveness and stability over raw benchmark scores. The future battleground will be multi-agent orchestration rights—whoever becomes the central operating system for enterprise automation will lock in long-term victory.

Source: enbrief original report ↗