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GPT 6.1 Sol: Near-Astra intelligence for a fifth of the price

1066 points · 953 comments · crorella

  1. minimaxir · · focus · HN ↗
    > Cached input costs just $0.10 per million tokens—95% less than standard input pricing and 50% less than GPT‑6 Sol’s cached input pricing

    This is the actual big announcement. 50% cheaper cache than GPT-6 Sol will get you far more mileage on Codex.

    1. joshstrange · · focus · HN ↗
      > 50% cheaper cache than GPT-6 Sol will get you far more mileage on Codex.

      Cache doesn't help you much when you are compacting every 5 minutes...

      I was shocked at how quickly I ran out my $100/mo subscription with a single agent (sol medium).

      1. jmalicki · · focus · HN ↗
        Use more subagents.

        The longer your chat gets, the slower and more expensive it gets.

        Subagents are expensive but they scale way closer to O(n) than O(n^2).

        Have some agents make bug reports/feature requests/roadmaps (linear is very AI friendly), others coordinate, others work on grinding out an individual ticket.

        If there is a good ticket-level description, it's a waste of time IMO to have a main agent do it, that should be an agent with fresh context that will do it better faster (the shorter the context, the better models are at using the context they're given).

        1. jaktet · · focus · HN ↗
          Subagents will inherit the context window at the point in which they are spawned, but it sounds like you're more referring to orchestrating/conducting/managing multiple agents?
          1. jmalicki · · focus · HN ↗
            Both... even subagents inheriting the context window doesn't cost a huge amount if the context window was never that large, but yes orchestrating/conducting/managing multiple agents is even better though higher thought cost (but the newer claude agents are really good at this in my experience, part of why I am using Claude a lot lately despite the models being more expensive that ChatGPT's for the same performance when taken alone).

            Whenever I see my main agent do a compaction, that to me is a clear sign I didn't have it delegate bounded tasks enough.

            Still, I see no evidence Codex or Claude Code inherit full context of the main agent in subagents, I've always seen them be prompted, but this is something high priority on my list of unknowns to understand better...

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