📖 The AI Tool Bible

Claude vs GPT for Gmail

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 
Claude
Writing
GPT for Gmail
Writing
TaglineAnthropic's flagship assistant for long-form writing, analysis, and coding.Multi-model AI sidebar that drafts, translates, and summarizes inside Gmail.
CategoryWritingWriting
PricingFreemium· Free tier; Pro $20/mo; Max $100–$200/moFreemium· Free tier with paid premium features
ModelClaude Opus / SonnetMulti-model (GPT-4o, Claude, Gemini, Mistral, Perplexity)
Editorial score9.6 / 10—
Use cases
long-form writingsummarizationresearchcoding
email-draftingemail-summarizationtranslationtone-rewritetemplates
Pros
  • Best-in-class long-context reasoning
  • Excellent at following style guidelines
  • Projects + Artifacts UX
  • 1M-token context on Sonnet
  • Multi-model routing across OpenAI, Anthropic, Google, Mistral, and Perplexity
  • Native Gmail sidebar plus iOS/Android support
  • Built-in translation across 40+ languages
  • Large prompt-template library for common business scenarios
  • Free tier covers basic generation
Cons
  • No real-time browsing by default
  • Image generation limited
  • Region availability varies
  • Gmail-only — no Outlook or other mail clients
  • No public API or self-hosted option
  • Premium model access gated behind a paywall
  • Review count is small relative to install base
Websiteclaude.aiworkspace.google.com
Pick Claude if
  • ✅ Best-in-class long-context reasoning
  • ✅ Excellent at following style guidelines
  • ✅ Projects + Artifacts UX
  • ✅ 1M-token context on Sonnet
Pick GPT for Gmail if
  • ✅ Multi-model routing across OpenAI, Anthropic, Google, Mistral, and Perplexity
  • ✅ Native Gmail sidebar plus iOS/Android support
  • ✅ Built-in translation across 40+ languages
  • ✅ Large prompt-template library for common business scenarios
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