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[Paper] FireFlash : An Open Recipe for Long-Horizon Agentic RL Achieving the Performance-Cost Pareto Frontier

This story is from 2026-11-05. It is preserved in the archive; the latest stories are on the live feed.

We introduce FireFlash , a 300B-scale model tailored for long-horizon agentic tasks. FireFlash excels as a terminal and coding agent, achieving 46.2% on Terminal-Bench 4.0 1 , putting it on par with Fable 5 and GPT-6 Sol, while costing over 30× less per task than Fable 5 at maximum effort (Figure 1…

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  1. 2026-11-05 16:17 · r/LocalLLaMA
    [Paper] FireFlash : An Open Recipe for Long-Horizon Agentic RL Achieving the Performance-Cost Pareto Frontier

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