Product Launchllmlong contextopenaidefense contracts
OpenAI Plans GPT-5.4 With Million-Token Context
8.2
OpenAI says it will release GPT-5.4 “sooner than you think,” while already shipping GPT-5.3 Instant, the company announced March 5, 2026. Reports say GPT-5.4 may provide a one million‑token (possibly up to two million) context window and an “extreme” reasoning mode, aimed at deeper research and larger code tasks. The rollout comes amid user backlash over OpenAI’s U.S. defense contract.
Key Points
- 1Announces GPT-5.4 with reported one million-token context window and 'extreme' reasoning mode
- 2Addresses longstanding context and reasoning limits, enabling deeper research and larger codebase ingestion
- 3Signals need for practitioners to adapt infrastructure and evaluation for long-context, compute-heavy model usage
Scoring Rationale
Major OpenAI model update with broad industry impact, limited by unconfirmed token details and reporting-based claims.
Sources
Public references used for this report.
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