reCAPTCHA v2 Unlimited Solves: Real Cost Analysis at 10K to 1M/Month

reCAPTCHA v2 is the most common CAPTCHA type developers encounter. It's also where the pricing model you choose has the biggest dollar impact at scale.

This analysis shows exact costs at five volume milestones — from small automation scripts to enterprise data pipelines.

Baseline pricing

CaptchaAI (thread-based, unlimited)

Per-solve alternatives

Cost comparison at each volume milestone

10,000 solves/month

Typical for: Personal automation, small monitoring tools, development testing

Thread requirement: At 15s per solve, 10,000/month at 8h/day usage:

• 10,000 / (30 × 8h × 240 solves/thread/8h) = 0.17 threads needed
• BASIC plan (5 threads) is vastly more than sufficient

50,000 solves/month

Typical for: Active scraper, price monitoring across hundreds of products

At this volume, CaptchaAI saves 6–9× the cost of the cheapest per-solve alternative.

100,000 solves/month

Typical for: Production scraping operation, lead generation automation, multi-site monitoring

Thread check: 100,000 solves/month at 15s each, 16h/day:

• Solves per thread per month: 3,600s/h ÷ 15s × 16h × 30 days = 115,200
• Threads needed: 100,000 / 115,200 = 0.87 → 2 threads needed
• BASIC (5T) still covers this with headroom

500,000 solves/month

Typical for: Distributed scraping team, SaaS platform with CAPTCHA needs, high-frequency monitoring

At 500k solves/month, 15 threads (STANDARD, $30) handles it:

• Threads needed: 500,000 / 115,200 = 4.3 → 6 threads with headroom
• STANDARD (15T) at $30/month covers it

1,000,000 solves/month

Typical for: Enterprise data operation, large-scale distributed scraping, high-volume automation SaaS

Threads needed for 1M/month: 1,000,000 / 115,200 = 8.7 → 11 threads. STANDARD (15T, $30) technically covers it. ADVANCE (50T, $90) gives significant headroom for spikes.

Adjusting for success rate differences

Per-solve providers with 90–95% success rates require more attempts per successful solve. This adds to real cost:

def effective_cost_per_success(rate_per_1000, success_rate):
    """Calculate true cost per successful solve."""
    cost_per_solve = rate_per_1000 / 1000
    return cost_per_solve / success_rate

# 2Captcha at 92% success rate
two_captcha_real = effective_cost_per_success(2.99, 0.92)
print(f"2Captcha real cost per success: ${two_captcha_real:.5f}")
# → $0.00325 per successful solve

# CaptchaAI at 99.5% success rate, 1M solves at ADVANCE ($90)
captchaai_real = 90 / (1_000_000 * 0.995)
print(f"CaptchaAI real cost per success: ${captchaai_real:.8f}")
# → $0.00000009 per successful solve

When success rate is factored in, the cost gap widens further — because you pay for failed attempts at per-solve providers.

reCAPTCHA v2 solving with CaptchaAI

import requests
import time

API_KEY = "YOUR_API_KEY"

def solve_recaptcha_v2(site_key, page_url):
    """Solve reCAPTCHA v2. Returns token string."""
    resp = requests.post("https://ocr.captchaai.com/in.php", data={
        "key": API_KEY,
        "method": "userrecaptcha",
        "googlekey": site_key,
        "pageurl": page_url,
        "json": 1,
    })
    result = resp.json()
    if result["status"] != 1:
        raise Exception(f"Submit error: {result['request']}")

    task_id = result["request"]

    for _ in range(24):  # Up to 120 second wait
        time.sleep(5)
        res = requests.get("https://ocr.captchaai.com/res.php", params={
            "key": API_KEY,
            "action": "get",
            "id": task_id,
            "json": 1,
        }).json()
        if res["status"] == 1:
            return res["request"]  # g-recaptcha-response token
        if res["request"] != "CAPCHA_NOT_READY":
            raise Exception(f"Solve error: {res['request']}")
    raise Exception("Timeout")

# Use the token in your form submission
token = solve_recaptcha_v2(
    site_key="YOUR_SITE_KEY",
    page_url="https://target-site.com/protected-page"
)

Summary: Which plan for each volume

FAQ

Can CaptchaAI solve reCAPTCHA v2 Enterprise too? Yes. reCAPTCHA v2 Enterprise is a separate solver endpoint and is included in all plans.

What if my solve volume varies significantly month to month? The fixed monthly fee means low-volume months cost the same as high-volume months. If your volume is consistently low (< 4,000/month), evaluate whether a per-solve provider makes more sense during low periods.

Is the 99.5% success rate guaranteed? CaptchaAI publishes >99.5% as their success rate target. Actual rates depend on the specific site's CAPTCHA configuration.

Start solving reCAPTCHA v2 at scale

The BASIC plan at $15/month handles up to 100,000+ reCAPTCHA v2 solves/month — at a cost that per-solve providers can't match. Get your API key at captchaai.com.