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Featured products

Normal shirt product image (4) Normal shirt product image (12)

Normal shirt

¥4,149
+2
I can see the curvature of the Earth product image (1) I can see the curvature of the Earth product image (2)

I can see the curvature of the Earth

¥8,297
Private Keys & Public Mischief product image (1) Private Keys & Public Mischief product image (2)

Private Keys & Public Mischief

¥4,149
Minimum Viable Flex product image (1) Minimum Viable Flex product image (2)

Minimum Viable Flex

¥4,149
Evals shirt product image (1) Evals shirt product image (2)

Evals shirt

¥4,149
San Mateo 2025! product image (1) San Mateo 2025! product image (2)

San Mateo 2025!

¥4,149
Promptfoo Open Source Participation Acknowledgement Shirt - 2026 Edition product image (1) Promptfoo Open Source Participation Acknowledgement Shirt - 2026 Edition product image (2)

Promptfoo Open Source Participation Acknowledgement Shirt - 2026 Edition

¥4,149
+1
run product image (1) run product image (2)

run

¥4,149
Just a goddamn normal shirt smaller logo product image (1) Just a goddamn normal shirt smaller logo product image (2)

Just a goddamn normal shirt smaller logo

¥5,245
+1
simple hoodie product image (1) simple hoodie product image (2)

simple hoodie

¥16,594
Ship It Together product image (1) Ship It Together product image (2)

Ship It Together

¥8,297
Pending Review product image (1) Pending Review product image (2)

Pending Review

¥4,149
Promptfoo: Poop Early, Poop Often product image (1) Promptfoo: Poop Early, Poop Often product image (2)

Promptfoo: Poop Early, Poop Often

¥4,149
Pixel Panda Promptfoo Hat product image (3) Pixel Panda Promptfoo Hat product image (8)

Pixel Panda Promptfoo Hat

¥4,149
+2
Foily Foo Sticker product image (1) Foily Foo Sticker product image (2)

Foily Foo Sticker

¥830
The Custom Provider Whisperer Coffee Mug product image (1) The Custom Provider Whisperer Coffee Mug product image (2)

The Custom Provider Whisperer Coffee Mug

¥4,149
YOU PARTICIPATED product image (1) YOU PARTICIPATED product image (2)

YOU PARTICIPATED

¥2,074 ¥165,943
boring af product image (1) boring af product image (2)

boring af

¥1,659,434 ¥4,149
Patch Promptly product image (1) Patch Promptly product image (1)

Patch Promptly

¥1,659
Sold Out
Promptfoo Laser Tag Champion Jersey product image (1) Promptfoo Laser Tag Champion Jersey product image (2)

Promptfoo Laser Tag Champion Jersey

¥2,489 ¥1,659,268
not our best idea product image (1) not our best idea product image (2)

not our best idea

¥4,149
Sold Out
Performance Exceeded Expectations product image (1) Performance Exceeded Expectations product image (2)

Performance Exceeded Expectations

¥2,074 ¥1,659,266
Promptfoo for Kids product image (1) Promptfoo for Kids product image (1)

Promptfoo for Kids

¥4,149
Hardboiled Phone Call product image (1) Hardboiled Phone Call product image (2)

Hardboiled Phone Call

¥4,978
Red Panda Detective T-Shirt product image (1) Red Panda Detective T-Shirt product image (2)

Red Panda Detective T-Shirt

¥4,978
Panda on the Case product image (4) Panda on the Case product image (9)

Panda on the Case

¥4,978
+3
Normal shirt (Misprint) product image (5) Normal shirt (Misprint) product image (10)

Normal shirt (Misprint)

¥4,149
+2
Shell Injection product image (1) Shell Injection product image (2)

Shell Injection

¥4,149
Red Panda Detective product image (1) Red Panda Detective product image (2)

Red Panda Detective

¥16,594,339 ¥16,594
Chairlift Chaser product image (2) Chairlift Chaser product image (4)

Chairlift Chaser

¥4,149
SFO Final Approach product image (1) SFO Final Approach product image (2)

SFO Final Approach

¥4,149
More San Mateo product image (1) More San Mateo product image (2)

More San Mateo

¥4,149
Zero-Shot Cowboy product image (1) Zero-Shot Cowboy product image (2)

Zero-Shot Cowboy

¥4,149
SEA-TTL Overflow Community Edition product image (1) SEA-TTL Overflow Community Edition product image (2)

SEA-TTL Overflow Community Edition

¥4,149
PromptBrew product image (1) PromptBrew product image (2)

PromptBrew

¥4,149
Promptfoo Deskmat product image (1) Promptfoo Deskmat product image (2)

Promptfoo Deskmat

¥4,149
Comfy & Warm product image (1) Comfy & Warm product image (2)

Comfy & Warm

¥8,297
Latest Stable Release product image (2) Latest Stable Release product image (5)

Latest Stable Release

¥4,149
SEA-TTL Overflow Enterprise Edition product image (1) SEA-TTL Overflow Enterprise Edition product image (2)

SEA-TTL Overflow Enterprise Edition

¥4,149
Palo Alto 2025: It Worked on My Laptop product image (1) Palo Alto 2025: It Worked on My Laptop product image (2)

Palo Alto 2025: It Worked on My Laptop

¥4,149
SWEATY SWEATY product image (1) SWEATY SWEATY product image (2)

SWEATY SWEATY

¥4,149
Vanessa's Bag product image (1) Vanessa's Bag product image (2)

Vanessa's Bag

¥4,149
The LLMs write the code product image (1) The LLMs write the code product image (2)

The LLMs write the code

¥4,149
Bad Panda Sticker product image (1) Bad Panda Sticker product image (2)

Bad Panda Sticker

¥415
Hood foo product image (1) Hood foo product image (2)

Hood foo

¥4,149
Jailbreak product image (1) Jailbreak product image (2)

Jailbreak

¥3,319
Foo Panda product image (1) Foo Panda product image (2)

Foo Panda

¥4,149
+4
FooAI T-Shirt product image (1) FooAI T-Shirt product image (2)

FooAI T-Shirt

¥4,978
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