VFS-Bench 1.0 Leaderboard

Each model runs every task on both interfaces. Compare its success rate, tokens and cost with VFS and with MCP.

VFS vs MCP

Success Rate vs Cost

Up and to the left is better
$0.05$0.1$0.2$0.4$0.8$1.6100%80%60%40%Claude Opus 5.5GPT-6.1 SolGPT-5.6 LunaClaude Haiku 5.5Gemini 3.8 FlashAverage cost per taskPass@1

Success Rate

PASS@1Higher is better
Claude Opus 5.5+4%
VFS86%
MCP83%
GPT-6.1 Sol0%
VFS75%
MCP75%
GPT-5.6 Luna+20%
VFS73%
MCP61%
Claude Haiku 5.5+6%
VFS74%
MCP70%
Gemini 3.8 Flash+4%
VFS52%
MCP50%

Average Tokens per Task

Lower is betterToken Reduction Rate
Claude Opus 5.573%
VFS166k
MCP617k
GPT-6.1 Sol72%
VFS193k
MCP683k
GPT-5.6 Luna60%
VFS1.56M
MCP3.91M
Claude Haiku 5.510%
VFS2.54M
MCP2.82M
Gemini 3.8 Flash25%
VFS5.07M
MCP6.72M

By task

  • Claude Opus 5.5
  • GPT-6.1 Sol
  • GPT-5.6 Luna
  • Claude Haiku 5.5
  • Gemini 3.8 Flash
Runs passed and mean tokens per run for Claude Opus 5.5 on each Toolathlon task, VFS vs MCP
TaskVFSMCPVFS TokensMCP TokensToken Reduction Rate
A/B testing1/11/1
80.8k
315k
74%
Academic PDF report1/11/1
383k
613k
37%
Academic warning1/11/1
87.4k
328k
73%
Add BibTeX1/11/1
180k
474k
62%
Apply PhD email1/11/1
54.0k
238k
77%
Arrange workspace0/10/1
50.1k
348k
86%
Canvas exam schedule1/11/1
206k
533k
61%
Canvas course setup1/11/1
520k
2.65M
80%
Canvas art history quiz1/11/1
86.3k
451k
81%
Unfinished Canvas quizzes1/11/1
376k
1.22M
69%
Canvas Python homework grading1/11/1
342k
570k
40%
Canvas new student notification1/11/1
187k
283k
34%
Canvas late work submission1/11/1
135k
304k
56%
Cooking guidance1/11/1
97.0k
453k
79%
Course assistant1/11/1
38.9k
152k
74%
Course schedule1/10/1
55.1k
147k
62%
Courses TA homework1/11/1
121k
246k
51%
CVPR postdoc search1/11/1
122k
780k
84%
Dataset license issue1/11/1
127k
424k
70%
Detect revised terms0/10/1
190k
211k
10%
Dietary health1/11/1
65.8k
124k
47%
Email paper homepage1/11/1
255k
703k
64%
Excel data transformation1/11/1
63.5k
131k
52%
Excel market research1/11/1
31.3k
79.9k
61%
Experiment recordings0/10/1
419k
4.37M
90%
Fill out online forms1/11/1
102k
1.11M
91%
Filter low-selling products1/11/1
205k
2.62M
92%
Find the Alita paper1/11/1
117k
169k
31%
Flagged transactions1/11/1
86.2k
261k
67%
Game statistics1/11/1
68.5k
149k
54%
GDP CR5 analysis1/11/1
140k
268k
48%
Git bug hunt1/11/1
17.5k
73.3k
76%
Git milestone1/11/1
16.1k
31.9k
50%
Git repo1/11/1
33.5k
267k
87%
Hong Kong top conference papers0/10/1
269k
401k
33%
Hugging Face upload1/11/1
238k
267k
11%
Identify all songs1/10/1
58.9k
409k
86%
ImageNet survey table1/11/1
39.8k
68.9k
42%
Inter final performance analysis1/11/1
763k
908k
16%
Interview report1/11/1
205k
7.29M
97%
Inventory sync1/11/1
318k
2.86M
89%
Investment decision analysis1/11/1
195k
544k
64%
Invoice org1/11/1
51.3k
112k
54%
Kubernetes deployment cleanup1/11/1
94.7k
238k
60%
Kubernetes MySQL debugging1/11/1
61.2k
165k
63%
Kubernetes PR preview testing1/11/1
158k
435k
64%
Kubernetes Redis Helm upgrade0/11/1
159k
455k
65%
Kubernetes security audit0/10/1
129k
789k
84%
Landing task reminder1/11/1
229k
364k
37%
LaTeX prompt box1/11/1
323k
1.21M
73%
Live transactions0/10/1
108k
267k
59%
LLM training dataset1/11/1
107k
346k
69%
Logical datasets collection1/11/1
10.2k
33.4k
69%
Machine operating1/11/1
115k
905k
87%
Meeting assignment1/11/1
68.6k
179k
62%
Music analysis0/11/1
211k
2.32M
91%
NHL back-to-back analysis1/11/1
51.2k
498k
90%
Notion job search1/11/1
90.9k
203k
55%
Notion HR record1/11/1
219k
482k
55%
Notion movie tracker1/11/1
98.1k
212k
54%
Notion personal website1/11/1
224k
240k
7%
NVIDIA institutional ownership0/10/1
963k
877k
−10%
NVIDIA stock analysis1/11/1
149k
960k
85%
Oil price1/11/1
164k
430k
62%
Paper checker0/10/1
277k
438k
37%
Payable invoice checker1/11/1
693k
1.46M
53%
Personal website construct1/11/1
280k
866k
68%
PPT analysis1/11/1
87.7k
188k
53%
Price comparison1/11/1
60.7k
136k
55%
Privacy desensitization0/10/1
76.5k
87.8k
13%
Online profile update1/11/1
109k
283k
61%
Quantitative financial analysis1/11/1
131k
588k
78%
Reimbursement form filler1/11/1
56.2k
211k
73%
Sales accounting1/11/1
53.7k
308k
83%
California school search1/11/1
78.7k
132k
40%
Set the camera-ready deadline reminder1/11/1
54.7k
74.8k
27%
Shopping helper1/11/1
49.8k
270k
82%
SLA timeout monitor1/11/1
101k
253k
60%
Stock build position1/11/1
64.7k
130k
50%
Student interview scheduling1/11/1
96.4k
207k
54%
Singapore subway planning1/10/1
20.4k
94.0k
78%
Sync TODO to README1/11/1
132k
481k
72%
Train ticket plan1/11/1
45.6k
84.0k
46%
Travel exchange1/11/1
148k
298k
50%
Travel expense reimbursement0/10/1
452k
816k
45%
Tokyo to Kamakura trip1/11/1
76.2k
165k
54%
Paris trip itinerary1/11/1
76.5k
183k
58%
Update material inventory1/11/1
98.8k
148k
33%
UPenn campus route1/11/1
63.4k
118k
46%
Verl dataset1/11/1
51.0k
119k
57%
VLM history completion1/11/1
357k
363k
2%
W&B best score1/11/1
130k
182k
29%
W&B shortest length1/11/1
134k
283k
53%
WooCommerce customer survey1/11/1
106k
649k
84%
WooCommerce new product1/11/1
110k
1.73M
94%
WooCommerce new customer welcome1/10/1
435k
937k
54%
WooCommerce product recall0/10/1
169k
980k
83%
WooCommerce stock alert1/10/1
143k
396k
64%
WooCommerce product cover update1/11/1
82.5k
788k
90%
YouTube ML repositories0/10/1
592k
1.65M
64%