Benchmark Almanac

ClawBench

Claude Opus 4.6 61.4% leads since Apr 2026 Not in model cards

Browser agents do 153 everyday tasks on live websites, such as booking travel, ordering food and applying for jobs. Request interception stops real side effects, and an LLM judge scores the five-layer traces.

Not the ByteDance SeedClawBench. V2 became the default corpus on 2026-05-20. The repo passed 1,000 stars and the paper reached EMNLP 2026 Findings.

In the authors’ words

AI agents may be able to assist with emails and documents, but can they reliably complete everyday online workflows on real websites? Everyday online tasks offer a realistic yet unsolved testbed for evaluating the next generation of AI agents. To this end, we introduce ClawBench, an evaluation framework comprising 153 everyday online tasks that people need to accomplish regularly in their lives and work, spanning 144 platforms across 15 categories, from completing purchases and booking appointments to submitting job applications. These tasks require capabilities beyond existing benchmarks, such as obtaining relevant information from user-provided documents, navigating multi-step workflows across diverse platforms, and write-heavy operations like filling in many detailed forms correctly. Unlike existing benchmarks that evaluate agents in offline sandboxes with static pages, ClawBench operates on production websites, preserving the full complexity, dynamic nature, and interaction challenges of real-world web environments. An interception layer captures and blocks the final submission request, ensuring safe evaluation without real-world side effects. Our evaluations of 8 frontier models show that both proprietary and open-source models complete only a small portion of these tasks. For example, Claude Sonnet 4.6 achieves only 33.3%, which exposes gaps in current AI agents. Progress on ClawBench brings us closer to AI agents that can function as general-purpose assistants.

Abstract of ClawBench: Can AI Agents Complete Everyday Online Tasks? (arXiv:2604.08523, CC0)
Made by TIGER-AI-Lab (University of Waterloo) and NAIL Group Released Apr 2026 Web browsing All tasks public Last model added Mar 2026 Scores refreshed 2 Nov 2026
Level
Everyday Most adults, without training
Scored
Graded by a model A language model scores each response, usually against a rubric.
Answers
Agent task Many steps in a terminal, browser, desktop, app, game or robot.
6
Models scored on its own leaderboard

Claude Opus 4.6 leads with 61.4% among models released by Mar 2026

Best score per model from the benchmark's own leaderboard, read on 2 Nov 2026. Where a model ran with several settings or harnesses, we keep its best.

The newest model with a score here came out in Mar 2026, and nobody has tested a newer one. Among the 20 highest-ranked models on the capability index, these have no score yet:

  1. 1 Claude Opus 4.6 61.4%
  2. 2 Claude Sonnet 4.6 56.9%
  3. 3 Claude Haiku 4.5 30.1%
  4. 4 GPT-5.4 25.5%
  5. 5 GPT-5.4 Mini 24.8%
  6. 6 Kimi K2.5 17.6%
#ModelScoreSettingDateSource
1 Claude Opus 4.6 61.4% hermes Feb 2026 Official leaderboard
2 Claude Sonnet 4.6 56.9% hermes Feb 2026 Official leaderboard
3 Claude Haiku 4.5 30.1% hermes Oct 2025 Official leaderboard
4 GPT-5.4 25.5% hermes Mar 2026 Official leaderboard
5 GPT-5.4 Mini 24.8% hermes Mar 2026 Official leaderboard
6 Kimi K2.5 17.6% hermes Jan 2026 Official leaderboard

Number one over time

Lab claims count from the day the card came out, independent runs from the model’s release.

Anthropic
Own leaderboard Replaced by V2, May 2026

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

On the benchmark’s own leaderboard Best so far
0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Claude Opus 4.6 Claude Haiku 4.5 0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Claude Opus 4.6 Claude Haiku 4.5

No lab model card reports it yet

We read the headline results of 479 launch posts from 51 labs, and none of them list this benchmark.

Versions

We switch the top row to each new version when it comes out. Open it for one row per version. An old version stays in play while people still test it, so whoever first takes it past 85% gets credit for closing it out.

Anthropic
ClawBench V2 Not tested since May 2026
ClawBench Replaced by V2, May 2026
ClawBench V2 Not tested since May 2026

More in Computer and browser use

All 56 in Computer and browser use
  • BrowseComp In use Hard-to-find facts that need persistent web browsing. Short verifiable answers graded for exact correctness. Claude Fable 5 93.3%
  • ScreenSpot-Pro In use GUI grounding on high-resolution professional-software screenshots. The model must locate the target UI element. GPT-6 Astra 92.7%
  • AndroidWorld In use Agents complete 116 tasks across 20 real Android apps in an emulator. Each task checks the device's system state to judge success. GPT-6 Astra 100%
  • OSWorld 2.1 In use Agents complete 108 long-horizon workflows across 31 self-hosted websites and desktop apps, averaging 318 tool calls. Scored by binary completion and checkpoint partial credit. Claude Opus 5.5 81.8%
  • WebArena-Verified In use Agents complete 812 audited WebArena tasks on self-hosted websites. Deterministic evaluators check the agent's answer and captured network traces. Muse Spark 1.1 69%
  • MobileWorld In use Agents complete 201 tasks across 20 mobile apps, including tasks that need user clarification or MCP tools. Backend checks verify success. Kimi K3 74.4%