GPT-5.4 mini vs Claude Sonnet 5
How GPT-5.4 mini (OpenAI) and Claude Sonnet 5 (Anthropic) compare on price, context window and best-fit use case.
In short: GPT-5.4 mini is best for High-volume tasks like classification, extraction, and chat where cost and speed matter most, while Claude Sonnet 5 suits Running AI agents affordably, multi-step automation, coding assistants and high-scale chat where you want near-flagship quality at lower cost. On price it's $0.75 vs $2.00 per 1M input tokens; on context, ~400K tokens vs 1M tokens (verify — not yet published for Sonnet 5).
| Spec | GPT-5.4 mini | Claude Sonnet 5 |
|---|---|---|
| Developer | OpenAI | Anthropic |
| Context window | ~400K tokens | 1M tokens (verify — not yet published for Sonnet 5) |
| Input price /1M | $0.75 | $2.00 |
| Output price /1M | $4.50 | $10.00 |
| Modalities | text, image | text, image |
| Best for | High-volume tasks like classification, extraction, and chat where cost and speed matter most. | Running AI agents affordably, multi-step automation, coding assistants and high-scale chat where you want near-flagship quality at lower cost. |
GPT-5.4 mini
- Very low cost
- Fast latency
- Good general capability for its size
- Solid tool calling
Claude Sonnet 5
- Highly agentic (planning + autonomous tool/browser/terminal use)
- Strong agentic coding
- Near-Opus-4.8 quality at much lower cost
- Great for high-scale agents and chatbots