coldtally

Agent infrastructure, priced per task.

Independent price-and-change tracking for AI agent sandboxes and cloud browsers. Every value carries its source and a verified date. Vendors can't buy placement.

Sandboxes

Isolated machines where an agent runs code.

Cost per task

6 providers · from $0.00754 per task (Cloudflare Sandbox)
Conditions
vCPU
2
RAM
4 GiB
Duration
5 min
CPU active
10%
Change the conditions
Details Rank Provider Cost / task Free tier Verified
1 Cloudflare Sandbox $0.007541,2 No free tier for Containers. Workers Paid ($5/mo) includes 375 vCPU-min, 25 GiB-h memory, 200 GB-h disk. 2026-10-17 (opens in new tab)
2 Vercel Sandbox Vercel Sandbox Changed $0.00920 Hobby: 5 active-CPU hours, 420 GB-hours, 5,000 creations per month. Personal/non-commercial use only per Vercel ToS. 2026-10-17 (opens in new tab)
3 E2B $0.01380 Hobby: $0/mo, one-time $100 usage credit, no credit card. 2026-10-17 (opens in new tab)
3 Daytona $0.01380 $200 in free compute, no credit card. 2026-10-17 (opens in new tab)
3 Blaxel3 Blaxel Changed $0.013804 Up to $200 in free credits; Tier 0 (free) allows 10 sandboxes. 2026-10-17 (opens in new tab)
6 Modal Modal Changed $0.019835 Starter: $0/mo with $30/mo included compute. 2026-10-17 (opens in new tab)
Verified 6 providers · All providers
Notes 5
  1. Instance standard-3 (2 vCPU / 8 GiB).
  2. Excludes Workers / Durable Objects charges and monthly included usage.
  3. Pricing only. Blaxel's terms prohibit publishing benchmarks or performance information about Blaxel (Terms & Conditions, restriction (f)).
  4. Assumes active for the full duration (upper bound).
  5. 1 physical core; billed on requested resources.

Usage cost for one task at the conditions above. Plan fees, free credits, storage, egress, proxies and LLM tokens are excluded. How we calculate. Ask your agent. Missing a provider? Suggest one.

Cloud browsers

Hosted browsers an agent drives over CDP.

Cost per task

6 providers · from $0.00100 per task (Browser Use)
Conditions
Session
3 min
Mode
headless
Excludes
proxy, CAPTCHA, LLM
Change the conditions
Details Rank Provider Cost / task Free tier Verified
1 Browser Use Browser Use Changed $0.001001 One-time $1 credit for eligible signups, 10 concurrent sessions; top-ups from $5. 2026-10-17 (opens in new tab)
2 KERNEL KERNEL Changed $0.00300 Free: $0/mo with $5/month usage credits, 5 concurrent browsers, no credit card. 2026-10-17 (opens in new tab)
3 Cloudflare Browser Run $0.00450 Workers Free: 10 browser-minutes per day, 3 concurrent browsers, 1 new browser every 20 s. Workers Paid ($5/mo) includes 10 browser hours and 10 concurrent browsers a month. 2026-10-17 (opens in new tab)
4 Steel $0.005002 Launch: $0/mo, $30 one-time credits, no credit card. 2026-10-17 (opens in new tab)
4 Hyperbrowser $0.005002 Free: 5,000 credits ($5) included. 2026-10-17 (opens in new tab)
6 Browserbase $0.006002 Free: 1 browser hour, 3 concurrent browsers, 15 min/session. 2026-10-17 (opens in new tab)
Verified 6 providers · All providers
Notes 2
  1. Rounded up to whole minutes, 1-min minimum.
  2. Billing granularity unverified; computed per second.

Usage cost for one task at the conditions above. Plan fees, free credits, storage, egress, proxies and LLM tokens are excluded. How we calculate. Ask your agent. Missing a provider? Suggest one.

Ask your agent

Read https://coldtally.com/llms.txt. Which cloud browser starts fastest, and what does one session cost?

Paste into ChatGPT, Claude or a coding agent. It reads these boards, with each figure's date and what it excludes. More prompts.

Changes

  1. Vercel Sandbox: downloaded data is free Vercel Sandbox first-observed
  2. Cloudflare Browser Run added; baseline captured Cloudflare Browser Run baseline