Head to head

Genspark vs ChatGPT Deep Research

Genspark (Genspark) and ChatGPT Deep Research (OpenAI) both sit in Search & Research. ChatGPT Deep Research is the cheaper entry point at from $20/mo. ChatGPT Deep Research shipped more tracked changes in the last 30 days (4 vs 0). Every value below comes from the latest crawl of the vendors' own pages.

AttributeGenspark

Genspark

ChatGPT Deep Research

OpenAI

SegmentSearch & ResearchSearch & Research
Version2025gpt-6-astra
Entry costFree tier · from $24.99/mofrom $20/mo
Pricing tiersFree free · Plus $20 · Pro $200
Model stackmixture of agentsGPT-5.2 Thinking · gpt-5.6 · gpt-6-astra · o3 (optimized version) · o4-mini (lightweight version)
Context window196K tokens
Public API
Routes models
Changes / 30d04
OriginGlobalGlobal
CapabilitiesSparkpages, AI slides, Call agentMulti-step browsing, Cited reports, Python analysis, File and image reading, Deep research, Specialized models, Web search, Agents
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