ChatGPT vs Claude vs Gemini
The three frontier models compared side-by-side — pricing, context, coding, multimodality and agents. Updated for 2026.
| Spec | ChatGPT (GPT) | Claude | Gemini |
|---|---|---|---|
| Maker | OpenAI | Anthropic | Google DeepMind |
| Flagship | GPT-5 / o-series | Claude Opus / Sonnet 4 | Gemini 2.5 Pro |
| Context | 400k | 200k | 1M |
| Input $/Mtok | ~$1.25 | ~$3 | ~$1.25 |
| Output $/Mtok | ~$10 | ~$15 | ~$10 |
| Free tier | ChatGPT Free | Claude.ai Free | AI Studio Free |
| Voice | Realtime API | Limited | Live API |
| Image gen | Yes (gpt-image) | No | Yes (Imagen) |
| Video in | Frames only | No | Native |
| Best for | All-rounder, ecosystem | Coding, agents, writing | Long context, multimodal, cheap |
Pick by use case
- Coding & agents: Claude Sonnet / Opus.
- Long context (full codebase, long video): Gemini 2.5 Pro.
- Realtime voice / image generation: GPT (OpenAI).
- Cheapest bulk inference: Gemini Flash or Claude Haiku.
- Best free consumer chat: ChatGPT or Gemini.
FAQ
Which is the best AI model overall in 2026?
There is no single winner. For coding and agents, Claude leads. For long-context and multimodal work, Gemini wins. For the broadest ecosystem and realtime voice, ChatGPT/GPT is the easiest pick. Most teams use 2 of the 3 via a router.
Which is cheapest?
At the flagship tier, GPT-5 and Gemini 2.5 Pro are tied at roughly $1.25 in / $10 out per million tokens. Claude Sonnet is more expensive at $3 / $15. For tiny jobs, Claude Haiku and Gemini Flash are the cheapest options.
Which one should I use for ChatGPT-style chat?
If you mean the consumer chat experience, ChatGPT is the most polished. Claude.ai is preferred for long writing and coding chats. Gemini in the Google app is the best free option with image, audio and video understanding.
Can I switch between them?
Yes — all three expose OpenAI-compatible or simple REST APIs and most agent frameworks (LangChain, Vercel AI SDK, LiteLLM) let you swap providers with one config line.