AnyModelClaude Sonnet 4.6 vs GPT-5.4
Anthropic's Claude Sonnet 4.6 against OpenAI's GPT-5.4 — price, context and what each is best at. Both are available through one OpenAI-compatible API.
| AnyModel — you pay | Claude Sonnet 4.6 | GPT-5.4 |
|---|---|---|
| Vendor | Anthropic | OpenAI |
| Input / 1M | $0.24 | $0.038 |
| Output / 1M | $0.24 | $0.038 |
| Context | 1M | 1M |
| Best for | Claude Code | Production apps |
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-5.4
Production workhorse — near-flagship quality at half the price.
GPT-5.4 is the volume tier of the GPT-5 line: strong coding and agent performance with lower latency and cost than GPT-5.5. A great default for production apps and day-to-day engineering.
More about GPT-5.4 →Quick take: GPT-5.4 is cheaper on output tokens ($0.038 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-5.4?
GPT-5.4 is cheaper on output tokens ($0.038 vs $0.24 per 1M).
Which has a larger context window, Claude Sonnet 4.6 or GPT-5.4?
Claude Sonnet 4.6: 1M; GPT-5.4: 1M.