Quick verdict: ChatRaj wins on per-message cost and retrieval depth; SiteGPT wins on launched channel integrations and annual-discount math
ChatRaj and SiteGPT serve the same buyer profile: somebody evaluating AI chatbots who has either rejected Chatbase as too expensive or never seriously considered Chatbase to begin with. Both products are indie-built (no VC funding distorting their pricing structures), both ship the same core capability set (train a chatbot on your website, embed via script tag, capture leads, auto-detect language), and both compete primarily on price-per-message and operator experience rather than on feature breadth.
The choice between them comes down to four things, ranked by how often they actually drive the decision:
- Price per message at your expected volume. ChatRaj is cheaper at every tier, but the gap is meaningful (2.7x at 10K, see below) rather than huge.
- Whether you need WhatsApp or Slack channels today. SiteGPT has them; ChatRaj does not yet.
- How much retrieval quality matters for product-specific terminology. ChatRaj's hybrid retrieval handles SKUs, error codes, and exact-keyword queries more reliably; SiteGPT's semantic-only retrieval is competitive on conceptual questions.
- Whether you're committed to annual billing or want monthly flexibility. SiteGPT's 40% annual discount is real and aggressive; ChatRaj's plans are month-to-month by default.
Pick based on which of these matters most for your specific situation. The remaining sections detail each axis.
Pricing at the 10,000-message tier (the common SMB benchmark)
The cleanest pricing comparison is at the 10,000 messages per month tier, since both products price plans around it.
- ChatRaj Pro: $29/month flat. No per-message overage. $0.0029 per message.
- SiteGPT Growth: $79/month. 10,000 message credits. $0.0079 per message.
Both prices reflect current monthly billing as of May 2026 from the vendors' public pricing pages. ChatRaj is roughly 2.7x cheaper per message at this tier.
If you commit to annual billing, SiteGPT's 40% annual discount closes the gap meaningfully: Growth becomes approximately $47/month equivalent. ChatRaj is still cheaper but the ratio drops from 2.7x to about 1.6x. For operators willing to commit to a 12-month contract, the annual SiteGPT price is competitive.
At smaller volumes, SiteGPT's Starter plan ($39/mo for 4,000 messages, $0.00975/msg) overlaps with ChatRaj's Pro ($29 for 10,000 messages, $0.0029/msg) in a way that almost always favors ChatRaj. Even if you only need 2,000 messages a month, ChatRaj's Pro plan at $29 is cheaper than SiteGPT's Starter at $39.
At the 50,000-message tier (mid-traffic SMB), ChatRaj's Growth plan at $99/month is significantly cheaper per message than SiteGPT's Scale plan. SiteGPT's exact Scale pricing varies but lands meaningfully above $99 at that volume.
What both products do well (the shared baseline)
Before the differences, the parts where the two products are functionally equivalent. Both ChatRaj and SiteGPT:
- Train a chatbot on your website content by crawling URLs, sitemaps, or uploaded files. Both index the content into a private knowledge base scoped to your bot.
- Embed via a single script tag on your site. No marketplace app, no permission scopes, no platform-specific build step.
- Auto-detect the visitor's language and reply in the same language. Both support 90+ languages out of the box.
- Stream the LLM's response token-by-token to the visitor, rather than waiting for the full reply.
- Capture leads from chat conversations and export to CSV or webhook.
- Run the visible widget inside an iframe for CSS and JavaScript isolation from the host site.
- Offer custom branding (theme color, avatar, welcome message) on paid plans.
- Support multiple LLM providers (OpenAI, Anthropic, others) with per-bot model selection.
- Sign GDPR Data Processing Agreements with paid customers.
If your evaluation rubric only contains items from the list above, both products work and the choice is a pricing decision.
Where SiteGPT legitimately wins
The honest version. These are real advantages SiteGPT has over ChatRaj.
WhatsApp Business and Slack channels, shipped today. SiteGPT supports WhatsApp Business and Slack as native channels: the chatbot can answer questions inside WhatsApp threads or Slack DMs, not just on your website. If your customer journey includes WhatsApp support (common in India, Brazil, the Middle East) or Slack-based B2B support, SiteGPT has the closer fit today. ChatRaj is website-only; WhatsApp and Slack channels are on our 2026 roadmap.
Automatic daily knowledge refresh on the Scale plan. SiteGPT's Scale plan automatically re-crawls your knowledge sources daily. For publications, documentation sites, or marketing pages that change frequently, this removes one operator step. ChatRaj has manual source refresh on every plan; daily auto-refresh is on our roadmap.
40% annual discount. SiteGPT's annual discount is aggressive and the largest in the indie-chatbot space. If you're confident in your usage patterns and ready to commit to 12 months, the effective monthly cost on SiteGPT's annual billing is significantly lower than the monthly rates above suggest. ChatRaj does not yet offer annual billing; we plan to add it later in 2026.
Longer indie track record. SiteGPT has been operating as a bootstrap product for several years and has built a substantial inbound content presence (high-quality blog content on chatbot evaluation). For risk-averse buyers, the longer track record means the product is less likely to disappear.
More published case studies. SiteGPT publishes more customer case studies and Capterra/G2 reviews than ChatRaj does (a function of being earlier to market). If your evaluation depends on reading third-party reviews, SiteGPT has more available.
Where ChatRaj legitimately wins
The other side of the same honesty.
Price per message at every tier on monthly billing. Documented above. The 2.7x ratio at the 10K tier is real even after considering SiteGPT's annual discount, the gap on monthly billing is the most relevant number for operators who want flexibility.
Hybrid retrieval (BM25 + semantic + RRF). ChatRaj's retrieval pipeline runs keyword search and semantic search in parallel, then fuses the results via Reciprocal Rank Fusion. SiteGPT's retrieval is semantic-only by default. For chatbots that need to surface exact terminology (product SKUs, version numbers, error codes, specific dates), hybrid retrieval consistently surfaces better citations. For purely conceptual questions, both approaches perform similarly.
Flat monthly quota with no overage. ChatRaj's $29 Pro plan gives you 10,000 messages and stops. There's no surprise bill at month-end if a viral post sends you a traffic spike. SiteGPT's plans use a similar quota model but the message-credit accounting can shift with which LLM model your bot uses (a Claude Sonnet reply costs more credits than a Claude Haiku reply), which makes month-end cost slightly less predictable. ChatRaj uses messages, not credits, so the math is the math.
Higher message volumes per dollar at the Growth tier. ChatRaj Growth at $99/month covers 50,000 messages ($0.00198/msg). SiteGPT's Scale tier sits meaningfully above $99 for equivalent message volume. For mid-traffic sites, the per-message gap widens as volume grows.
Per-bot model selection in the dashboard. ChatRaj exposes the LLM choice (gpt-4.1-mini, gpt-4.1-nano, Claude Sonnet, etc.) as an explicit Settings dropdown on each bot. SiteGPT abstracts the model choice into "Standard" and "Premium" tiers, which is less granular. If you want to tune a specific bot to a specific cost-vs-quality tradeoff, ChatRaj's explicit model picker gives you that knob.
Newer codebase, faster iteration cadence. ChatRaj launched in 2026 with the benefit of newer infrastructure (hybrid retrieval, semantic cache, per-bot model selection) baked in from day one. SiteGPT has accumulated multi-year legacy decisions that limit some architectural changes. This cuts both ways (we have fewer rough edges from years of fixes, but SiteGPT has more rough edges fixed); for evaluation purposes both products work, the difference is mostly in operator-side polish.
Indie-vs-indie sustainability
A practical consideration when comparing two bootstrap products: neither has the runway story of a YC-backed competitor like Chatbase, so the natural worry is "what if either product disappears."
Both ChatRaj and SiteGPT have published sustainability commitments around source-code escrow and customer-data export, meaning if either company stops operating, you can export your training sources, captured leads, and conversation logs to a portable format and migrate to a different chatbot. Both products' core data (the URLs, files, captured emails) is exportable on demand.
The migration cost between indie chatbot products is genuinely low (under an hour of operator time per bot, since the architecture is the same script-tag pattern), so the worst-case downside of betting on either product is small. Pick based on which one fits your current needs and reassess in 12-18 months.
Scenario guide
The honest decision tree.
You're an SMB with under 5,000 messages per month and want the lowest possible cost. Pick ChatRaj. The Pro plan at $29/mo for 10,000 messages dominates SiteGPT Starter at $39/mo for 4,000 messages.
You're a mid-market SaaS with 20-50K messages per month, want predictable monthly billing. Pick ChatRaj. The Growth plan at $99/mo for 50,000 messages is meaningfully cheaper than SiteGPT's equivalent tier on monthly billing.
You can commit to a 12-month contract and want the absolute cheapest annual cost. SiteGPT's 40% annual discount closes the gap. Run the math at your specific volume; on most cases ChatRaj's monthly is still cheaper than SiteGPT's annual, but at higher volumes the gap narrows enough that the choice becomes about features rather than price.
You need the chatbot to operate inside WhatsApp Business or Slack today. Pick SiteGPT. ChatRaj does not have these channels yet.
Your knowledge base changes daily and you need automatic refresh. Pick SiteGPT Scale. Daily auto-refresh is on ChatRaj's roadmap but not shipped.
You sell products with specific terminology (SKUs, error codes, version numbers) where exact-keyword search matters. Pick ChatRaj. Hybrid retrieval surfaces these reliably; semantic-only retrieval is hit-or-miss.
Your buyer reads third-party reviews and case studies before buying. SiteGPT has more public review presence. ChatRaj is newer and is building this trust signal in 2026.
How to actually test both products
If you're past the analysis stage and ready to put both products under a stopwatch, the honest evaluation method:
- Train both bots on the same set of URLs. Both products auto-crawl sitemaps; point each at the same starting URL.
- Prepare 30 to 50 typical visitor questions. Mix conceptual questions ("how does the Pro plan compare to Growth") with exact-terminology questions ("what does error code E-104 mean") and conversational questions ("hello, can you help me").
- Grade the answers blind. Don't know which bot produced which answer when you grade. This removes UI bias.
- Score on three axes: accuracy, citation quality, response latency. The product that wins two of three is usually the right choice for your specific knowledge base.
This honest test takes about 90 minutes of operator time but is the only way to settle the "which product gives better answers" question for your specific content. Most teams that run the blind test report the result as "closer than expected, with one product clearly winning on a specific question category." Both products' marketing claims about superior accuracy are credible but situational; your specific knowledge base resolves the situation.