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SanityBoard Adds Qwen3.5, GLM5, New Agents

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๐Ÿฆ™Read original on Reddit r/LocalLLaMA

๐Ÿ’กFresh benchmarks: Qwen3.5, GLM5, new agentsโ€”spot infra pitfalls in agent evals.

โšก 30-Second TL;DR

What Changed

27 new evals: Qwen3.5 Plus, GLM 5, Gemini 3.1 Pro, Sonnet 4.6

Why It Matters

Improves benchmarking visibility for coding agents, revealing infra and iteration biases in evals.

What To Do Next

Filter SanityBoard evals by date and provider to compare Qwen3.5 Plus vs Sonnet 4.6 on coding tasks.

Who should care:Developers & AI Engineers

๐Ÿง  Deep Insight

Web-grounded analysis with 2 cited sources.

๐Ÿ”‘ Enhanced Key Takeaways

  • โ€ขGPT-5.3-Codex has emerged as the leading agentic coding system according to SanityBoard's February 2026 evaluation results, surpassing previous benchmarks through advanced subagent architecture[1]
  • โ€ขOpen-weight models Minimax M2.5 and GLM 5 are challenging proprietary leaders, with M2.5 showing particular strength when paired with the Droid agent framework for algorithmic problem-solving[1]
  • โ€ขSanityBoard's evaluation methodology has evolved from isolated model testing to holistic agent-system assessments, providing more realistic performance metrics for production coding scenarios[1]
  • โ€ขAPI rate-limiting constraints from ZAI Labs have limited comprehensive GLM 5 testing, suggesting future benchmark updates may reveal significant leaderboard shifts once infrastructure bottlenecks are resolved[1]
  • โ€ขThe evaluation platform maintains open-source transparency with publicly available GitHub repositories for both the evaluation harness and leaderboard, enabling community replication and challenge of findings[1]
๐Ÿ“Š Competitor Analysisโ–ธ Show
Model/AgentTypeKey StrengthEvaluation Status
GPT-5.3-CodexProprietaryAdvanced subagent architecture, simultaneous multi-strategy analysisLeading performance
Minimax M2.5Open-weightHigh reasoning capability with Droid agent pairingStrong performance
GLM 5Open-weightCompetitive performanceLimited testing due to API rate-limiting
Gemini 3.1 ProProprietaryIncluded in recent evalsUnder evaluation
Claude Sonnet 4.6ProprietaryIncluded in recent evalsUnder evaluation

๐Ÿ› ๏ธ Technical Deep Dive

โ€ข GPT-5.3-Codex employs a subagent architecture enabling simultaneous analysis of multiple implementation strategies and dynamic switching between high-level architecture planning and low-level syntax optimization[1] โ€ข Minimax M2.5 paired with Droid agent framework demonstrates modular, state-aware task decomposition that reduces iteration count and improves accuracy on algorithmic challenges[1] โ€ข SanityBoard evaluation harness is designed as a lightweight, universally compatible tool for evaluating coding agents across broad sets of programming tasks[2] โ€ข Current infrastructure limitations include 5-15 minute API delays between tasks for GLM 5 testing, constraining comprehensive multi-framework evaluation[1] โ€ข Future evaluation plans include apples-to-apples comparison of OpenAI endpoints against Anthropic systems using identical evaluation harness[1]

๐Ÿ”ฎ Future ImplicationsAI analysis grounded in cited sources

The shift from isolated model benchmarking to agent-system evaluation represents a maturation of AI coding assessment methodology, better reflecting real-world deployment scenarios. The competitive emergence of open-weight models (Minimax M2.5, GLM 5) alongside proprietary systems suggests the coding AI market will increasingly differentiate on agent architecture and integration rather than base model capability alone. Infrastructure scalability challenges currently limiting GLM 5 evaluation indicate that future performance rankings may shift significantly once API bottlenecks are resolved. The emphasis on open-source evaluation transparency and community participation could establish new standards for AI benchmarking credibility, potentially influencing how enterprises evaluate coding AI systems for production adoption.

โณ Timeline

2026-02
SanityBoard releases major evaluation update with GPT-5.3-Codex as top-performing agentic coding system

๐Ÿ“Ž Sources (2)

Factual claims are grounded in the sources below. Forward-looking analysis is AI-generated interpretation.

  1. aihaberleri.org โ€” Gpt 53 Codex Tops Coding Benchmarks Minimax M25 and Glm 5 Challenge Open Weight Leaders
  2. GitHub โ€” Sanityharness
๐Ÿ“ฐ

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Original source: Reddit r/LocalLLaMA โ†—