Head to head

SciSpace vs ChatGPT Deep Research

SciSpace (SciSpace) and ChatGPT Deep Research (OpenAI) both sit in Search & Research. SciSpace is the cheaper entry point at Free tier · from $12/mo. ChatGPT Deep Research shipped more tracked changes in the last 30 days (2 vs 0). Every value below comes from the latest crawl of the vendors' own pages.

AttributeSciSpace

SciSpace

ChatGPT Deep Research

OpenAI

SegmentSearch & ResearchSearch & Research
Version2025Deep Research
Entry costFree tier · from $12/mofrom $20/mo
Pricing tiers—Free free · Plus $20 · Pro $200
Model stackClaude · GPTDeep Research · GPT-5.2 Thinking · gpt-5.6 · GPT-6 · gpt-6-astra · GPT-Live-1 · o3 (optimized version) · o4-mini (lightweight version)
Context window—196K tokens
Public API
Routes models
Changes / 30d02
OriginGlobalGlobal
CapabilitiesPaper chat, Literature review, Citation graphMulti-step browsing, Cited reports, Python analysis, File and image reading, Deep research, Specialized models, Web search, Agents
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