GPT-5.6 is HERE (WOAH) — Key Takeaways
GPT 5.6 is half the price of GPT 5.5 Fable ($5/$30 vs $10/$50 per million tokens) while matching or exceeding it on enterprise benchmarks, making it the default choice for agentic coding and browser-use tasks today.
Key takeaways
GPT 5.6 costs half of Fable: $5/$30 vs $10/$50 per million tokens
GPT 5.6 costs half of Fable: $5/$30 vs $10/$50 per million tokens
- Input: $5/M vs $10/M; output: $30/M vs $50/M — and 5.6 uses fewer tokens to reach the same result.
- Box enterprise benchmark: 5.6 Sol outperformed GPT 5.5 (63.3%) across public sector, life sciences, and healthcare.
Route tasks across GPT 5.6 model tiers to preserve quota
Route tasks across GPT 5.6 model tiers to preserve quota
- Sol (Ultra reasoning) for planning, Terra (high reasoning) for implementation, Luna for low-stakes tasks like deploys.
- Author published a Codex skill on GitHub that automates this delegation within a single Codex session.
Codex computer-use autonomously cross-references live desktop apps
Codex computer-use autonomously cross-references live desktop apps
- Excel clone task: Codex opened actual Excel, observed behavior, then replicated features — running 5+ days unattended.
- Browser use is mature enough to handle complex DNS changes and Gmail triage from a single natural-language prompt.
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In this video
- 1mGPT 5.6 Overview and Excel Clone Demo
- 3mBrowser Use, Computer Use, and Minecraft Clone Demo
- 6mBox AI Enterprise Benchmarks and Pricing
- 7mGPT 5.6 vs Fable: Model Comparison and Analogy
- 8mModel Sizes, Reasoning Levels, and Delegation Strategy
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