Tech Trend Insight

GPT-6.1 Sol's lower pricing tier ends at 272K input tokens, well before its context window is full. This cost model shows how the threshold, cache reuse and output length affect the budget for an accepted agent result.

Gemini 4 Argon's announced million-token output limit creates new evaluation questions, not an automatic case for migration. This review separates the specification and launch evidence from unresolved access, pricing and production requirements.