Expired85% confidenceFactTime unknown
The API context length that GPT-5.5 is about to open supports up to 1 million tokens.
1
Sources
85%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedThe GPT 5.6 model natively supports a 1 million context window at the API level, but Codex has still not opened the full quota to subscription users.81% similarVerifiedGPT 5.5 supports a one-million-token context window, capable of simultaneously processing approximately 500,000 to 700,000 words of code or documents.78% similarUnverifiedOpenAI officially states that GPT-5.6 Sonara consumes only one-third the tokens of GPT-5.5 when executing programming tasks of equivalent complexity.77% similar
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