Product Launchllmlong contextopenaicodex
GPT-5.4 Adds Million-Token Context and Office Skills
9.7
On March 5, 2026, OpenAI announces GPT-5.4 and GPT-5.4‑pro, available via API, ChatGPT, and the Codex CLI, with an August 31, 2025 knowledge cutoff and a 1,000,000-token context window. The models are priced slightly above the GPT-5.2 family, with higher rates when usage exceeds 272,000 tokens. OpenAI reports GPT-5.4 scores 87.3% on spreadsheet modeling versus 68.4% for GPT-5.2.
Key Points
- 1Announces gpt-5.4 and gpt-5.4-pro with 1,000,000-token context and Aug 31, 2025 cutoff.
- 2Highlights improved office productivity: spreadsheet modeling score 87.3% versus 68.4% for GPT-5.2.
- 3Impacts developers: higher pricing above 272,000 tokens and potential consolidation of Codex line.
Scoring Rationale
Significant official model release with million-token context; strong internal benchmarks, limited independent evaluations.
Sources
Public references used for this report.
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