AnyModelClaude Sonnet 4.6 vs GPT-5.6 Terra
Anthropic's Claude Sonnet 4.6 against OpenAI's GPT-5.6 Terra — price, context and what each is best at. Both are available through one OpenAI-compatible API.
| AnyModel — you pay | Claude Sonnet 4.6 | GPT-5.6 Terra |
|---|---|---|
| Vendor | Anthropic | OpenAI |
| Input / 1M | $0.24 | $0.05 |
| Output / 1M | $0.24 | $0.05 |
| Context | 1M | 1M |
| Best for | Claude Code | Daily coding |
Claude Sonnet 4.6
The balanced Claude — fast, smart, affordable.
Claude Sonnet 4.6 hits the sweet spot of speed, intelligence and price, with the context window now grown to 1M tokens. It's the default Claude for coding agents and most production workloads.
More about Claude Sonnet 4.6 →GPT-5.6 Terra
Balanced agentic coding model for everyday work.
GPT-5.6 Terra is the balanced tier of the GPT-5.6 line: strong agentic coding at lower latency and cost than Sol. The default pick for day-to-day engineering and production coding agents.
More about GPT-5.6 Terra →Quick take: GPT-5.6 Terra is cheaper on output tokens ($0.05 vs $0.24 per 1M). Compare their strengths and context for your task; you can switch the model id at any time.
FAQ
Which is cheaper, Claude Sonnet 4.6 or GPT-5.6 Terra?
GPT-5.6 Terra is cheaper on output tokens ($0.05 vs $0.24 per 1M).
Which has a larger context window, Claude Sonnet 4.6 or GPT-5.6 Terra?
Claude Sonnet 4.6: 1M; GPT-5.6 Terra: 1M.