Rumor: Claude Opus 6 Leaked Specs Include 2.5M Context and Lower Costs
iamaliveix · x · 2026-08-24
Leaked information circulating on Twitter suggests details about Claude Opus 6, claiming it features a completely new and larger foundation architecture. It is reported to outperform Fable 5 in reasoning and coding, is testing a context window of up to 2.5 million tokens, and is built for long-running autonomous agents. Additionally, the cost is speculated to be 3-5x cheaper than current frontier models.
- New Foundation: Completely new, much larger architecture.
- Performance: Stronger reasoning and coding than Fable 5.
- Long Context: Testing support for 2.5M context.
- Use Case: Designed for long-running autonomous agents.
- Cost: Potential 3-5x price reduction.
Note: This information is currently unverified rumor.
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