Find the cheapest AI model that can actually do the job.
Describe your task once. SpecPilot turns it into a structured specification, checks it against current model pricing and capabilities, and recommends the least expensive model that still meets every requirement.
Free · No account · Six steps
CATALOG COMPILED FROM OFFICIAL DOCS
- OpenAI
- AnthropicComing soon
HOW IT WORKS
Three steps, no guesswork.
You should not have to read six pricing pages to answer one question. SpecPilot does the reading, and shows its work.
01
Describe the task.
Input type, output format, monthly workload, required capabilities and a budget ceiling. Plain questions, no model names.
02
Filter on capability.
Every model in the catalog is checked against every requirement. Anything that cannot do the job is removed — and told to you, with the reason.
03
Rank on monthly cost.
The survivors are priced against your actual token volume. The cheapest one that still fits is the recommendation.
THE SPECIFICATION
Your task, as a structured spec.
The wizard walks six plain steps and compiles them into a machine-checkable requirement set. That spec — not a vague prompt — is what every model in the catalog gets tested against.
You can read it, correct it, and re-run it before a single price is compared.
{
"goal": "Extract vendor, total and due date",
"inputTypes": ["text", "images"],
"outputTypes": ["json"],
"requestsPerDay": 1000,
"averageInputTokens": 1200,
"averageOutputTokens": 300,
"maximumContextRequired": 200000,
"requireImageInput": true,
"requireStructuredOutput": true,
"maxMonthlyBudgetUsd": null,
"priority": "lowest_cost"
}TRANSPARENCY
Every rejection has a reason.
A recommendation you cannot audit is just an opinion. SpecPilot shows the arithmetic, the evidence and the models it threw away.
Exact rejection reasons.
No silent filtering. Each excluded model names the requirement it failed — missing image input, context window too small, no tool calling, over budget.
Official evidence links.
Every price and capability carries a link to the provider's own documentation page it was read from. Check the number yourself in one click.
Visible data freshness.
Each record shows when it was last verified. Stale records are labelled as stale rather than quietly presented as current.
THE COST MODEL
One formula, printed on the page.
No blended averages and no “starting from” pricing. Your token volume, the provider’s published rates.
monthly = requests × ( in_tokens ÷ 1M × in_rate
+ out_tokens ÷ 1M × out_rate )DATA SOURCES
Collected, checked, and self-healing.
Provider pricing pages change without notice. Collectors run against the official documentation through Bright Data Scraper Studio, validate what they parse, and report their own health instead of failing quietly.
FRESH
Verified recently
The collector completed its last run and the provider page parsed cleanly against the expected schema.
STALE
Past the freshness window
The record is still shown, but flagged. Recommendations built on stale pricing say so on the result page.
HEALING
Layout changed, retrying
A provider redesigned their pricing page. The collector detects the schema mismatch, re-resolves the selectors and re-runs.
Six steps. One number.
SpecPilot is free and open. Built for developers, students, founders and small teams who would rather not overpay by an order of magnitude.