

Scalable Chain of Thoughts via Elastic Reasoning
May 16, 2025
Explore the innovative concept of Elastic Reasoning, a framework that enhances reasoning models by separating the thinking process from finding solutions. Delve into its advancements that improve output quality while managing resource constraints. Learn how these strategies optimize performance in multi-tool agents and reduce AI hallucinations. Discover practical applications that enhance user experience in critical tasks. Finally, discuss the push for sustainable, lightweight models to tackle environmental challenges in AI technology.
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Elastic Reasoning's Two-Phase Approach
- Elastic reasoning splits the reasoning process into 'thinking' and 'solution' phases with separate token budgets.
- This ensures both phases complete, improving accuracy even under token constraints.
Train Models With Token Budgets
- Train models with variable token budgets using reinforcement learning to prevent abrupt cutoffs in reasoning.
- This helps models prioritize high-value thoughts early, adapting to token constraints effectively.
Efficiency and Cost Savings
- Elastic reasoning maintains accuracy under tight token budgets and significantly reduces inference costs.
- It also requires fewer reinforcement learning steps compared to prior methods, improving training efficiency.