New Models
GPT-6 Sol and Luna make model routing a first-order agent economics decision
GPT-6 Sol and Luna introduce a 20x price spread, large context and different cost boundaries. Aipolix examines agent routing economics.
Model routing
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New Models
Claude Opus 5.5 cuts agent costs, but safeguard routing changes how teams should evaluate it
Claude Opus 5.5 cuts token and cache costs while sensitive requests may use fallback models. Aipolix examines the impact on agent evaluation.
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Agents
GitHub lets Copilot route models for cost or quality—but Efficiency is not a spending cap
Copilot Auto gains Efficiency, Balance and Intelligence tiers, but billing still follows the selected model, making Efficiency a preference rather than a spending cap.
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New Models
DeepSeek V4.1 Flash ships with native multimodality and a new model architecture
DeepSeek releases V4.1 Flash with native multimodality, open weights and new API routing that changes how older Flash and V4 Pro identifiers resolve.
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Research
Cheap verifiers can make AI cascade dashboards blind to real errors
New research shows why LLM cascade routing and quality monitoring should not rely on the same verifier without an independent audit path.
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New Models
Thomson Reuters launches its own LLM for professional workflows
Thomson Reuters launches a $40M proprietary LLM for professional workflows, starting in CoCounsel Legal while keeping a multi-model architecture.
