Resolution criteria (strict):

• Resolves YES if OpenAI, Anthropic, Google, or Meta publicly releases a model documented with context window >= 5,000,000 tokens by 2026-12-31.

• Must be an official release with public documentation or official product/API announcement.

• Rumors, leaks, unofficial benchmarks, or third-party claims do NOT count.

• If no qualifying official release appears by deadline, resolves NO.

Primary sources:

• Official model/API documentation pages

• Official company release notes / product announcements