GPT-6 Astra matches Fable 5 on coding, but costs 2.5x its predecessor
As seen on the 24/7 Wall St. homepage on September 3, 2026.
Frontier model pricing is moving up: Astra costs 2.5x its predecessor for similar intelligence-per-token, a test of how much enterprises will pay for the top of the leaderboard.
GPT-6 Astra makes significant gains in the Artificial Analysis Coding Agent Index, scoring equal to Fable 5 at lower cost. In the Intelligence Index, it uses fewer tokens than GPT-5.6 Sol for similar performance, but this is outweighed by higher prices Pricing is 2.5x GPT-5.6 https://t.co/BE5uEXl5Y6
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Artificial Analysis published its benchmark results for GPT-6 Astra on September 3, showing the model scoring equal to Fable 5 on the Artificial Analysis Coding Agent Index, a notable result given that Astra comes in at lower cost than Fable 5 on that specific comparison.
The picture is more complicated on the Intelligence Index. Astra uses fewer tokens than GPT-5.6 Sol to reach similar performance levels, which would normally be a point in its favor, but Artificial Analysis notes that the efficiency gain is outweighed by the model's higher price.
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Astra is priced at 2.5 times what GPT-5.6 Sol costs, so a buyer pays a meaningful premium to sit at the very top of the leaderboard.
The post drew over 52,000 impressions within hours of publication, signaling that the pricing gap is a live conversation across the AI and developer community. Whether enterprises absorb that cost or push back will shape near-term demand at the frontier of the model market.