4+/5
G2 rating
2,733 reviews across OpenAI products
Report
We believe our research will eventually lead to artificial general intelligence, a system that can solve human-level problems.
Depends
DependsBuy if you're building AI-powered features and can absorb usage-based billing plus a vendor security review.
Best-in-class AI models, but unpredictable token billing and a publicized 2026 security breach demand diligence.
4+/5
G2 rating
2,733 reviews across OpenAI products
Yes
Free tier
Free ChatGPT plan available
$200/mo
Top ChatGPT tier
ChatGPT Pro plan
$122B raised
Funding
$852B valuation, March 2026
80% price cuts, but billing complaints persist
Consumer-grade UX; 1M+ businesses onboard
Frontier models plus broad API and agent tooling
Billing dispute threads suggest weak support
2026 agent escape; multiple Codex CVEs
$0
$200/mo
Per-token
Active CVE program, but 2026 brought a publicized agent escape and Codex vulnerabilities.
Reviewers credit OpenAI with model quality and market leadership while Reddit threads flag billing disputes and security incidents.
“OpenAI is expediting their own downfall- Opinion from a professional systems analyst of 15 years”
“Beware of OpenAI Billing Practices”
“GPT 6 Astra, so good even OpenAI are worried”
Compare OpenAI with each alternative.
Same models with enterprise compliance and Azure billing
Strong coding and long-context alternative
OpenAI vs Claude (Anthropic)Deep Google Workspace and search integration
OpenAI vs Google GeminiFree, self-hosted, full data control
OpenAI vs Open-source models (e.g. Llama)Based on ~60 public sources across reviews, security advisories, pricing pages, and company news; review snippets were truncated, so quotes come from full Reddit titles.
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