# Claude Sonnet 4 vs GPT-6 Astra

As of Oct 15, 2026, Claude Sonnet 4 leads GPT-6 Astra in 0 of 6 shared categories.

Claude Sonnet 4: $6 per 1M blended tokens.

GPT-6 Astra: $20 per 1M blended tokens.

Claude Sonnet 4: closed weights.

GPT-6 Astra: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in General LLM at #26 against #163.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Reasoning at #24 against #149.
- Which to pick, Math: As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Math at #1 against #35.
- Which to pick, Science: As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Science at #2 against #97.
- Which to pick, Long context: As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Long context at #25 against #123.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-6 Astra leads Claude Sonnet 4 in Abstraction (ARC) at #1 against #67.

As of Oct 15, 2026, Claude Sonnet 4 is ranked #35 in Math (since Oct 15, 2026; sources Humanity's Last Exam; methodology v1.0).

As of Oct 15, 2026, GPT-6 Astra is state of the art in Math (since Sep 28, 2026; sources Humanity's Last Exam; methodology v1.0).