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Toolathlon-Verified

Data verified

A verified tool-use benchmark variant for completing multi-step workflows with external tools.

Top models on Toolathlon-Verified — November 13, 2026

As of November 13, 2026, Claude Opus 5 leads the Toolathlon-Verified leaderboard with 80.6% , followed by GLM-5.3-Flash (78.4%) and Claude Fable 5.1 (77.8%).

23 modelsAgentic3% of Agentic reference weightCurrentUpdated November 13, 2026

Leaderboard (23 models)

All 23 results on this page were reported by the labs that built the models.

Toolathlon-Verified leaderboard
RankModel / configurationScoreParameters (B)Open / closed
1Claude Opus 5AnthropicReported by Anthropic
80.6%
Not reportedClosed
2GLM-5.3-FlashZ.AIReported by Z.AI
78.4%
Not reportedOpen
3Claude Fable 5.1AnthropicReported by Anthropic
77.8%
Not reportedClosed
4Claude Sonnet 5.5AnthropicReported by Anthropic
77.8%
Not reportedClosed
5Claude Opus 5.5AnthropicReported by Anthropic
77.8%
Not reportedClosed
6MiMo-V2.6-ProXiaomiReported by Xiaomi
76.9%
Not reportedOpen
7ERNIE 5.5 Flash PreviewBaiduReported by Baidu
75.0%
Not reportedPending
8DeepSeek V4 Pro 0813DeepSeekReported by DeepSeek
74.1%
Not reportedOpen
9Step 5 PreviewStepFunReported by StepFun
74.1%
Not reportedOpen
10Hy4 previewTencentReported by Tencent
74.1%
Not reportedOpen
11MiMo-V2.6-FlashXiaomiReported by Xiaomi
73.6%
Not reportedOpen
12Qwen3.8-Flash-NextAlibabaReported by Alibaba
73.5%
Not reportedOpen
13Kimi K3Moonshot AIReported by Moonshot AI
73.2%
Not reportedOpen
14GLM-5.3Z.AIReported by Z.AI
73.0%
Not reportedOpen
15Muse Spark OpenMetaReported by Meta
72.8%
Not reportedOpen
16Qwen3.8 MaxAlibabaReported by Alibaba
72.5%
Not reportedOpen
17Ornith-1.5-397BOrnith AIReported by Ornith AI
71.2%
Not reportedOpen
18DeepSeek V4 Flash 0731DeepSeekReported by DeepSeek
70.3%
Not reportedOpen
19dots3-note PreviewDots StudioReported by Dots Studio
55.6%
Not reportedOpen
20Inkling-SmallThinking Machines LabReported by Thinking Machines Lab
54.4%
Not reportedOpen
21Laguna S 2.1PoolsideReported by Poolside
49.7%
Not reportedOpen
22Ornith-1.5-35B-A3BOrnith AIReported by Ornith AI
48.7%
Not reportedOpen
23Ornith-1.5-9BOrnith AIReported by Ornith AI
41.2%
Not reportedOpen
  • Lab-reported
  • Benchmark-run
  • Independent
What the labels mean

According to BenchLM.ai, Claude Opus 5 leads the Toolathlon-Verified benchmark with a score of 80.6%, followed by GLM-5.3-Flash (78.4%) and Claude Fable 5.1 (77.8%). The top models are clustered within 2.8 points, suggesting this benchmark is nearing saturation for frontier models.

23 models have been evaluated on Toolathlon-Verified. The benchmark falls in the Agentic category. BenchAlign v5.8 gives Toolathlon-Verified 3% of the Agentic reference weight, so it moves the Agentic leaderboard and the overall ranking. Reference weights are relative weights in the calibrated model, not fixed shares of a score.

About Toolathlon-Verified

Year

2026

Tasks

Verified multi-tool workflows

Format

Interactive tool-use score

Difficulty

Advanced tool use

BenchLM keeps Toolathlon-Verified separate from the broader Toolathlon key so provider launch values do not collapse distinct benchmark variants.

Freshness and provenance

Version

Toolathlon-Verified 2026

Refresh cadence

Quarterly

Staleness state

Current

Question availability

Public benchmark set

Current

BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.

Questions

What does Toolathlon-Verified measure?

A verified tool-use benchmark variant for completing multi-step workflows with external tools.

Which model scores highest on Toolathlon-Verified?

Claude Opus 5 by Anthropic currently leads with a score of 80.6% on Toolathlon-Verified.

How many models are evaluated on Toolathlon-Verified?

23 AI models have published results on Toolathlon-Verified in the BenchLM catalog.

Last updated: November 13, 2026 · BenchLM version Toolathlon-Verified 2026

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