Side-by-side comparison of ChatGPT and Claude with detailed analysis, pricing, and features
AI chat assistant by OpenAI
The most popular AI chatbot with GPT-4o, code execution, image generation, web browsing, and plugins.
AI assistant by Anthropic
Advanced AI assistant known for nuanced analysis, long-context understanding, and safety-first design.
Claude for coding and deep analysis. ChatGPT for ecosystem breadth and multimodal tasks.
Best for: plugins, image generation, multimodal tasks, casual chat
Best for: professional coding, long document analysis, agentic workflows
ChatGPT (by OpenAI) and Claude (by Anthropic) are the two most widely used AI assistants in 2026. OpenAI's latest is GPT-5.4, while Anthropic offers Claude Opus 4.7 (released April 2026). Both now support 1M token context windows via their APIs, but they serve fundamentally different user needs.
Both models now support 1M token context windows at the API level. Claude Opus 4.6 scores 76% on the MRCR v2 benchmark (8-needle, 1M context), compared to Sonnet 4.5's 18.5% — demonstrating that Claude actually uses its full context effectively. GPT-5.4 also supports 1M context in the API, though ChatGPT's consumer product exposes smaller windows (196K-256K depending on tier and mode).
Claude leads in agentic coding. Claude Opus 4.6 achieved 80.8% on SWE-bench Verified and 65.4% on Terminal-Bench 2.0. Claude Code, Anthropic's CLI, can autonomously navigate repositories, write tests, and implement multi-file features. OpenAI's Codex CLI and GPT-5.2-Codex are competitive (80.0% SWE-bench), but Claude Code's ecosystem with MCP integrations, worktrees, and agent teams gives it the edge for professional developers.
Claude consistently produces more nuanced, well-structured writing. It follows complex instructions more precisely and avoids the generic, overly enthusiastic tone ChatGPT sometimes defaults to. ChatGPT is better at casual conversation and creative brainstorming.
ChatGPT wins on consumer ecosystem. The GPT Store, DALL-E integration, browsing, and MCP support make it the most versatile consumer AI. Claude's ecosystem is more developer-focused — MCP, tool use, computer use, and Claude Code — but increasingly powerful for technical workflows.
Both offer free tiers. ChatGPT Plus is $20/month; Claude Pro is $20/month. API pricing: Claude Opus at $5/$25 per MTok (input/output), GPT-5 Chat at $1.25/$10 per MTok. Claude costs more per token but offers larger max output (128K vs 16K for GPT-5 Chat).
Choose ChatGPT for an all-in-one assistant with browsing, image generation, and plugins. Choose Claude for professional coding, long document analysis, and agentic workflows. Many power users maintain both.