SpecEyes: Accelerating Agentic Multimodal LLMs via Speculative Perception and Planning
On the map: LLM reasoning → Reasoning for agents, planning and code
also in 2 more
Abstract (arXiv)
Agentic multimodal large language models (MLLMs) (e.g., OpenAI o3 and Gemini Agentic Vision) achieve remarkable reasoning capabilities through iterative visual tool invocation. However, the cascaded perception, reasoning, and tool-calling loops introduce significant sequential overhead. This overhead, termed agentic depth, incurs prohibitive latency and seriously limits system-level concurrency. To this end, we propose SpecEyes, an agentic-level speculative acceleration framework that breaks this sequential bottleneck. Our key insight is that a lightweight, tool-free MLLM can serve as a speculative planner to predict the execution trajectory, enabling early termination of expensive tool chains without sacrificing accuracy. To regulate this speculative planning, we introduce a cognitive gating mechanism based on answer separability, which quantifies the model's confidence for self-verification without requiring oracle labels. Furthermore, we design a heterogeneous parallel funnel that exploits the stateless concurrency of the small model to mask the stateful serial execution of the large model, maximizing system throughput. Extensive experiments on V* Bench, HR-Bench, and POPE demonstrate that SpecEyes achieves 1.1-3.35x speedup over the agentic baseline while preserving or even improving accuracy (up to +6.7%), thereby boosting serving throughput under concurrent workloads.
Key facts. Cited by 1 paper in the map (data through 14 Oct 2026). Placed in Reasoning for agents, planning and code, one of 17 directions in LLM reasoning. Builds on 70 of its 78 references that are in the map. First posted on arXiv 24 Mar 2026.
Builds on
70 of 78 references.
References · 70
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38 more
- 2024Medusa: Simple LLM Inference Acceleration Framework with Multiple Decoding Headscited by 843
- 2017BranchyNet: Fast Inference via Early Exiting from Deep Neural Networkscited by 596
- 2024EAGLE: Speculative Sampling Requires Rethinking Feature Uncertaintycited by 578
- 2026Kimi K2.5: Visual Agentic Intelligencecited by 501
- 2023V*: Guided Visual Search as a Core Mechanism in Multimodal LLMscited by 482
- 2025DeepEyes: Incentivizing "Thinking with Images" via Reinforcement Learningcited by 410
- 2024EAGLE-2: Faster Inference of Language Models with Dynamic Draft Treescited by 370
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- 2025Mini-o3: Scaling Up Reasoning Patterns and Interaction Turns for Visual Searchcited by 120
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Citing papers per year: 2026: 1.
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- 2025FastTTS: Accelerating Test-Time Scaling for Edge LLM Reasoning
- 2026Agentic-MME: What Agentic Capability Really Brings to Multimodal Intelligence?
- 2025ToolScope: An Agentic Framework for Vision-Guided and Long-Horizon Tool Use
- 2026ATP-Bench: Towards Agentic Tool Planning for MLLM Interleaved Generation
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