01THE PROBLEM
Production taskClassify 50,000 listing photos / month
Model in useGPT-5 — flagship default
Monthly bill$0
$0/ year
⚠  often 5–20× more than the task needs
02SEND YOUR TASK
DESCRIBE THE TASK
+ your prompt + 5–20 test cases + expected outputs
03WE BENCHMARK
openmark.ai — benchmark results · your task LIVE RUN
MODELSCORESTABILITYLATENCY COST / RUNAT VOLUME
GPT-5 87% (3.5/4.0) ±0.500 8.4s $0.0600 $3,000/mo
Claude 4.5 Sonnet 89% (3.6/4.0) ±0.250 6.1s $0.0360 $1,800/mo
DeepSeek V4 84% (3.4/4.0) ±1.000 11.3s $0.0084 $420/mo
Gemini 2.5 Flash RECOMMENDED 91% (3.7/4.0) ±0.000 2.6s $0.0040 $200/mo
REAL API CALLS · DETERMINISTIC SCORING · NO LLM-AS-A-JUDGE
04THE ANSWER
Gemini 2.5 Flash
RECOMMENDED PRIMARY
91% accuracy 2.4× faster ≈15× cheaper
$36,000 $36,000 / yr
Synthesized PDF: primary + fallbacks · cost at 1k / 10k / 50k · re-test triggers
48-hour turnaround once intake is complete
05THE OFFER

OpenMark AI Audit

$299  ·  ONE TASK  ·  48H
Request an audit
openmark.ai/services
0:00
Which AI model should you actually be using?
The OpenMark AI Audit, explained in under a minute.
ONE TASKREAL API CALLSANSWER IN 48H