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Does SWE-bench predict which AI coding agent works best?

Historical consensus 2026-09-01 Active
Runs Weekly on Tuesday at 09:00 (Europe/Berlin) Last 2026-09-01 09:22 Europe/Berlin Next 2026-09-08 09:00 Europe/Berlin

Movement at this check

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Direction shift
0/100
Agreement
+15 pts vs previous check, within the range of the recent checks

Agreement over time

90/100
2026-08-18: 90/100 · No material movement 2026-08-25: 75/100 · Both versions reach the same conclusion: SWE-bench is a useful screening tool for autonomous repository-level bug fixing, but not a reliable predictor of the best overall AI coding assistant for real-world development. The new version merely expands on details and concrete examples. 2026-09-01: 90/100 · No material movement View full chart
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90 /100
agreement
  • 3 AI models
  • 0 contradictions
  • 24 sources
Consensus gpt-5.6-luna
Models consulted
  • OpenAI GPT-5.6 Luna
  • Google Gemini Gemini 3.7 Flash
  • DeepSeek DeepSeek V4 Flash

Consensus at this check

Only partially. SWE-bench is a useful signal for how well an AI system resolves a particular class of task: fixing issues in existing, mostly open-source repositories while using tools, editing multiple files, and running tests. It is not a reliable universal ranking of which coding agent will work best for a particular team.

What SWE-bench predicts reasonably well

It is informative when your work resembles the benchmark:

  • Repository-level bug fixing
  • Navigating unfamiliar code
  • Localizing defects across multiple files
  • Iteratively running tests and revising a patch
  • Producing changes that satisfy an existing behavioral specification

If two systems are evaluated with the same model, scaffold, tools, time limit, task set, and grading procedure, a substantial score difference is meaningful for that workload. SWE-bench Verified was designed to improve task quality through human validation.openai

Why it is not a complete predictor

  1. It evaluates a system, not just an agent or model.
    Results depend on prompts, repository search, context management, retry behavior, test execution, timeouts, and token budgets. A higher score may reflect a better harness or greater spending rather than a fundamentally better coding agent.

  2. Passing tests is an incomplete definition of success.
    A patch can pass the benchmark tests while being fragile, poorly designed, insecure, inconsistent with project conventions, or unacceptable to maintainers. SWE-bench generally does not measure maintainability, review effort, documentation, security, or production readiness.

  3. The task distribution is narrow.
    It says little about greenfield development, ambiguous requirements, architecture, large refactors, code review, migrations, DevOps, UI work, proprietary frameworks, or long-running collaboration with developers.

  4. Public-benchmark results can be affected by leakage and optimization.
    Because tasks and repositories are public, prior exposure to issue descriptions or solutions may influence results. Benchmark-specific tuning can also make an agent look stronger on SWE-bench than in less structured environments.

  5. It omits practical product considerations.
    Latency, cost, IDE integration, human steering, reliability, privacy, sandboxing, language support, and quality of interaction may matter more than autonomous resolution rate.

  6. Even the “Verified” version should be treated cautiously.
    Subsequent auditing identified concerns involving test design and contamination, and OpenAI said it no longer considered SWE-bench Verified a reliable measure of frontier coding capability.openai That does not make every result meaningless; it makes the result best interpreted as performance on a particular public benchmark and harness.

How to use it

Use SWE-bench as a screening signal, not as the final purchasing decision:

  • Prefer comparisons using a common scaffold and equal budgets.
  • Examine performance by task type rather than only the aggregate score.
  • Compare cost and time per successful patch.
  • Evaluate human acceptance, review time, regressions, and rework.
  • Test candidates on a private set of representative tasks from your own repositories.
  • Include feature work, refactoring, debugging, and ambiguous requests—not only issue-based bug fixes.

A practical conclusion is:

SWE-bench can indicate which system is stronger at benchmark-style repository bug fixing, but it cannot by itself predict which coding agent will deliver the most value in your real development workflow.

Differences

The 3 models broadly agree – no notable differences found.

Best answerOpenAI

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Sources

  1. 1 Introducing SWE-bench Verified | OpenAI openai.com
  2. 2 SWE-bench Verified swebench.com
  3. 3 Why SWE-bench Verified no longer measures frontier coding capabilities | OpenAI openai.com
  4. 4 SWE-Bench+: Enhanced Coding Benchmark for LLMs arxiv.org
  5. 5 基准测试不等于真实能力?研究称AI代码“通过率”或被高估最高达7倍 m.chinaz.com
  6. 6 2607/2607.28887.md · huggingchat/papers-content - People systematically favor additive changes over subtractive ones (Adams et al huggingface.co
  7. 7 AI取代程序员还远!新基准BeyondSWE:顶尖模型通过率暴跌至45% - AI取代程序员还远!新基准BeyondSWE:顶尖模型通过率暴跌至45% m.thepaper.cn
  8. 8 Saving SWE-Bench: A Benchmark Mutation Approach for Realistic Agent Evaluation - Problem Validity Following Mutation: While our mutation process aims to mimic realistic user behavior when interacting with codi... arxiv-org.ezproxy.obspm.fr
  9. 9 SWE-Bench Scores Don’t Mean Your AI Is Production-Ready - DEV Community dev.to
  10. 10 What AI benchmarks are not telling you - Microsoft for Developers developer.microsoft.com
  11. 11 [PDF] Beyond Final Code: A Process-Oriented Error Analysis of Software Development Agents in Real-World GitHub Scenarios | Semantic Scholar - Beyond Final Code: A Process-Oriented Error Analysis of Software Development Agents in Real-World GitHub Scenarios semanticscholar.org
  12. 12 상세정보 - 상세정보 library.cnu.ac.kr
  13. 13 Daily Papers - Hugging Face huggingface.co
  14. 14 Are LLMs Truly Solving Software Problems — or Are Agents Doing It? - SWE-bench for LLMs sambanova.ai
  15. 15 Paper page - SWE-Bench Pro: Can AI Agents Solve Long-Horizon Software Engineering Tasks? - Papers huggingface.co
  16. 16 Evaluating Software Development Agents: Patch Patterns, Code Quality, and Issue Complexity in Real-World GitHub Scenarios ieeexplore.ieee.org
  17. 17 Large Language Model-Based Agents for Software Engineering: A Survey - Therefore, to evaluate how LLM-based agents tackle real-world end-to-end software maintenance, researchers build benchmarks by m... arxiv-org.ezproxy.obspm.fr
  18. 18 SWE-Bench Pro: AI in Long-Horizon SE - Papers emergentmind.com
  19. 19 SWE-Bench Mutation: Realistic Agent Evaluation - Papers emergentmind.com
  20. 20 SWE-bench vs. Reality: The Coding Agent Performance Gap in 2026 agentmarketcap.ai
  21. 21 Lecture 01. Strong Models Don't Mean Reliable Execution walkinglabs.github.io
  22. 22 vibe-coding-benchmark-public/docs/THESIS.md at main · alt-research/vibe-coding-benchmark-public - Skip to content github.com
  23. 23 AI取代程序员还远!新基准BeyondSWE:顶尖模型通过率暴跌至45% - AI取代程序员还远!新基准BeyondSWE:顶尖模型通过率暴跌至45% m.163.com
  24. 24 基准测试不等于真实能力?研究称AI代码“通过率”或被高估最高达7倍 - 基准测试不等于真实能力?研究称AI代码“通过率”或被高估最高达7倍 chinaz.com

Position Map

Where the models stand

Each row is one part of the answer. The cards show the distinct positions; the model chips show who supports each one.

0/100 Direction Shift · Stable
Shared conclusion

Only partially. SWE-bench is a useful signal for how well an AI system resolves a particular class of task: fixing issues in existing, m

Shared position

Only partially. SWE-bench is a useful signal for how well an AI system resolves a particular class of task: fixing issues in existing, mostly open-source repositories while usi

  • OpenAI
  • Gemini
  • DeepSeek
Shared conclusion

It is not a reliable universal ranking of which coding agent will work best for a particular team.

Shared position

Supports this conclusion

  • OpenAI
  • Gemini
  • DeepSeek
Shared conclusion

Repository-level bug fixing

Shared position

Supports this conclusion

  • OpenAI
  • Gemini
  • DeepSeek
Shared conclusion

Navigating unfamiliar code

Shared position

Supports this conclusion

  • OpenAI
  • Gemini
See how each model moved across checks
Model position movement by watch date
ModelAug 18Aug 25Sep 01
OpenAI
Gemini
Grok — —
DeepSeek — —
Same positionChanged position

Cite this answer

consens.io. (2026-09-01). Consensus answer to "Does SWE-bench predict which AI coding agent works best?". Models consulted: OpenAI: gpt-5.6-luna, Google Gemini: gemini-3.7-flash, DeepSeek: deepseek-v4-flash. Consensus model: gpt-5.6-luna. Sources: https://openai.com/index/introducing-swe-bench-verified/?utm_source=openai, https://www.swebench.com/verified.html?utm_source=openai, https://openai.com/index/why-we-no-longer-evaluate-swe-bench-verified/?utm_source=openai, https://arxiv.org/abs/2410.06992?utm_source=openai, https://m.chinaz.com/ainews/26148.shtml, https://huggingface.co/buckets/huggingchat/papers-content/tree/2607/2607.28887.md?code=true#4, https://m.thepaper.cn/newsDetail_forward_32809138#1, https://arxiv-org.ezproxy.obspm.fr/html/2510.08996v4#3, https://dev.to/amartyajha/swe-bench-scores-dont-mean-your-ai-is-production-ready-2ndd#1, https://developer.microsoft.com/blog/what-ai-benchmarks-are-not-telling-you/, https://www.semanticscholar.org/paper/Beyond-Final-Code%3A-A-Process-Oriented-Error-of-in-Chen-Ma/64534783326094437413083b6f87f7726ba4db92#citing-papers#1, https://library.cnu.ac.kr/eds/detail/edseee_edseee.10992485?briefLink=%2Feds%2Fbrief%2FdiscoveryResult%3Fst%3DKWRD%26service_type%3Dbrief%26si%3DAU%26q%3D%2522Chen-zhi%2522%26#1, https://huggingface.co/papers?q=SWE-bench%20Pro, https://sambanova.ai/blog/are-llms-truly-solving-software-problems#1, https://huggingface.co/papers/2509.16941#1, https://ieeexplore.ieee.org/document/10992485/citations?tabFilter=papers#citations, https://arxiv-org.ezproxy.obspm.fr/html/2409.02977v2#8, https://www.emergentmind.com/papers/2509.16941#1, https://www.emergentmind.com/papers/2510.08996#1, https://agentmarketcap.ai/blog/2026/04/08/real-world-coding-agent-performance-vs-swe-bench-2026, https://walkinglabs.github.io/learn-harness-engineering/en/lectures/lecture-01-why-capable-agents-still-fail/#a-more-down-to-earth-example, https://github.com/alt-research/vibe-coding-benchmark-public/blob/main/docs/THESIS.md#1, https://m.163.com/dy/article/KOGB0I9T0511ABV6.html?spss=adap_pc#1, https://www.chinaz.com/ainews/26148.shtml#1 Retrieved from https://www.consens.io/s/does-swe-bench-predict-which-ai-coding-agent-works-best-i5i1Z2Vhw11JBow3?version=cc40f31aa3b9724b7703337d

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Agreement over time

How strongly the models support the same claims. Every point links to its run below.

100 50 0 2026-08-18: 90/100 · No material movement 2026-08-25: 75/100 · Both versions reach the same conclusion: SWE-bench is a useful screening tool for autonomous repository-level bug fixing, but not a reliable predictor of the best overall AI coding assistant for real-world development. The new version merely expands on details and concrete examples. 2026-09-01: 90/100 · No material movement 2026-08-18 2026-09-01

Checks

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  1. 2026-09-01 Stable
    90/100 agreement

    No meaningful movement detected in this check.

    Open this consensus
  2. 2026-08-25 Meaningful change
    75/100 agreement

    Both versions reach the same conclusion: SWE-bench is a useful screening tool for autonomous repository-level bug fixing, but not a reliable predictor of the best overall AI coding assistant for real-world development. The new version merely expands on details and concrete examples.

    Open this consensus
  3. 2026-08-18 Stable
    90/100 agreement

    No meaningful movement detected in this check.

    Open this consensus

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About this tracked question

3 AI models answered this question independently on 2026-09-01. A judge from a different model family then cross-checked the answers, scored how far they agree and flagged where they differ. The question is re-checked weekly, and every earlier version stays on this page.

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