Unspecified benchmark
LM Arena Agent Task Outcome Explicit is a current leaderboard using the Agent Score metric, reported as a ratio.
Updated Sep 8, 2026
Higher agent score ranks better on this benchmark.
Rank | Model | Agent Score | Percentile | Participants | Observations | Evidence | Evaluated |
|---|
| Rank01 | ModelAN | Agent Score22.45% (18.73% - 26.16%) | Percentile100.00% | Participants49 | Observations2.5K | EvidenceA | Evaluated |
| Rank02 | ModelMA | Agent Score16.58% (15.19% - 17.98%) | Percentile97.92% | Participants49 | Observations74.2K | EvidenceA | Evaluated |
| Rank03 | ModelAN | Agent Score14.89% (10.95% - 18.84%) | Percentile95.83% | Participants49 | Observations12.5K | EvidenceA | Evaluated |
| Rank04 | ModelZA | Agent Score14.14% (11.98% - 16.30%) | Percentile93.75% | Participants49 | Observations13.5K | EvidenceA | Evaluated |
| Rank05 | ModelTE | Agent Score13.56% (10.60% - 16.52%) | Percentile91.67% | Participants49 | Observations6.5K | EvidenceA | Evaluated |
| Rank06 | ModelAC | Agent Score12.46% (9.97% - 14.96%) | Percentile89.58% | Participants49 | Observations9.5K | EvidenceA | Evaluated |
| Rank07 | ModelZA | Agent Score12.10% (10.57% - 13.62%) | Percentile87.50% | Participants49 | Observations34.9K | EvidenceA | Evaluated |
| Rank08 | ModelDE | Agent Score11.75% (9.84% - 13.66%) | Percentile85.42% | Participants49 | Observations20.4K | EvidenceA | Evaluated |
| Rank09 | ModelGO | Agent Score10.42% (6.01% - 14.84%) | Percentile83.33% | Participants49 | Observations4.6K | EvidenceA | Evaluated |
| Rank10 | ModelAC | Agent Score10.37% (8.02% - 12.73%) | Percentile81.25% | Participants49 | Observations14K | EvidenceA | Evaluated |
| Rank11 | ModelGO | Agent Score9.54% (7.38% - 11.71%) | Percentile79.17% | Participants49 | Observations19.6K | EvidenceA | Evaluated |
| Rank12 | ModelZA | Agent Score8.63% (6.98% - 10.27%) | Percentile77.08% | Participants49 | Observations42.5K | EvidenceA | Evaluated |
| Rank13 | ModelDE | Agent Score8.46% (6.69% - 10.22%) | Percentile75.00% | Participants49 | Observations35.4K | EvidenceA | Evaluated |
| Rank14 | ModelXA | Agent Score7.83% (5.08% - 10.59%) | Percentile72.92% | Participants49 | Observations12.9K | EvidenceA | Evaluated |
| Rank15 | ModelAN | Agent Score7.37% (4.20% - 10.54%) | Percentile70.83% | Participants49 | Observations27.5K | EvidenceA | Evaluated |
| Rank16 | ModelAC | Agent Score6.98% (4.72% - 9.24%) | Percentile68.75% | Participants49 | Observations13.9K | EvidenceA | Evaluated |
| Rank17 | ModelOP | Agent Score6.68% (3.55% - 9.81%) | Percentile66.67% | Participants49 | Observations22.8K | EvidenceA | Evaluated |
| Rank18 | ModelME | Agent Score6.60% (3.78% - 9.41%) | Percentile64.58% | Participants49 | Observations12.9K | EvidenceA | Evaluated |
| Rank19 | ModelXA | Agent Score6.30% (3.75% - 8.86%) | Percentile62.50% | Participants49 | Observations23.8K | EvidenceA | Evaluated |
| Rank20 | ModelAN | Agent Score5.93% (2.49% - 9.36%) | Percentile60.42% | Participants49 | Observations21.1K | EvidenceA | Evaluated |
| Rank21 | ModelME | Agent Score5.01% (3.47% - 6.55%) | Percentile58.33% | Participants49 | Observations56.5K | EvidenceA | Evaluated |
| Rank22 | ModelAN | Agent Score3.51% (0.36% - 6.67%) | Percentile56.25% | Participants49 | Observations25.8K | EvidenceA | Evaluated |
| Rank23 | ModelAN | Agent Score2.80% (-1.33% - 6.93%) | Percentile54.17% | Participants49 | Observations19.4K | EvidenceA | Evaluated |
| Rank24 | ModelAN | Agent Score2.50% (-0.67% - 5.66%) | Percentile52.08% | Participants49 | Observations27.8K | EvidenceA | Evaluated |
| Rank25 | ModelOP | Agent Score2.07% (-0.35% - 4.49%) | Percentile50.00% | Participants49 | Observations39.1K | EvidenceA | Evaluated |
| Rank26 | ModelMA | Agent Score1.15% (-4.77% - 7.06%) | Percentile47.92% | Participants49 | Observations5.7K | EvidenceA | Evaluated |
| Rank27 | ModelOP | Agent Score1.14% (-1.00% - 3.27%) | Percentile45.83% | Participants49 | Observations53.9K | EvidenceA | Evaluated |
| Rank28 | ModelOP | Agent Score0.83% (-1.81% - 3.46%) | Percentile43.75% | Participants49 | Observations15K | EvidenceA | Evaluated |
| Rank29 | ModelZA | Agent Score0.17% (-1.98% - 2.32%) | Percentile41.67% | Participants49 | Observations45.3K | EvidenceA | Evaluated |
| Rank30 | ModelGO | Agent Score-1.62% (-3.60% - 0.37%) | Percentile39.58% | Participants49 | Observations68.3K | EvidenceA | Evaluated |
The leading models and scores on this benchmark.
A closer view of the leading scores on this benchmark.
The first five results on this benchmark, with official price and output speed added where the model identity can be matched.
What LM Arena Agent Task Outcome Explicit measures and how its scores work.
LM Arena Agent Task Outcome Explicit is a current leaderboard.
It reports Agent Score as a ratio.
Scores are shown in ratio. This benchmark is verified and has an evidence level of A.
LM Arena. Benchmark scores retain their original unit. Overall score eligibility is shown separately.
Common questions about LM Arena Agent Task Outcome Explicit.
Claude Fable 5.1 is currently ranked first with 22.45%.
The current leaders are Claude Fable 5.1 (22.45%), Kimi K3 (16.58%), and Claude Opus 5 (14.89%).
GLM-5.3-Flash has the lowest matched official input price at $0.08 input / $0.25 output per 1M tokens.
The fastest matched records are GLM-5.3 (472.69 tok/s via FriendliAI), Gemini 3.5 Flash (210.94 tok/s via Google), and GPT-5.5 (134.94 tok/s via OpenAI).
No. This benchmark measures one defined capability or task. The overall LLMBoard score uses a separate aggregation across eligible benchmark evidence.
It reports Agent Score as a ratio.
Yes. Higher values rank better for this benchmark.
49 model results are currently shown.
No. This benchmark is shown for reference but does not contribute to the overall score.
Ranking basisThis lm arena agent task outcome explicit AI model leaderboard uses descending agent score in the benchmark original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.
Selection summary
Claude Fable 5.1 currently leads LM Arena Agent Task Outcome Explicit with 22.45%. It is the top model on this specific benchmark, while the best LLM for the broader task should also be checked against other benchmarks, price, and runtime.
Use this leaderboard with the supporting benchmark results and coverage details above. A leaderboard position summarizes the selected ranking signal; it does not replace workload-specific testing.