GPT-5.4 mini vs Claude Opus 4.8
How GPT-5.4 mini (OpenAI) and Claude Opus 4.8 (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 Opus 4.8 suits Complex coding agents, long-horizon tasks, and workloads needing top reliability and reasoning. On price it's $0.75 vs $5.00 per 1M input tokens; on context, ~400K tokens vs 1M tokens.
| Spec | GPT-5.4 mini | Claude Opus 4.8 |
|---|---|---|
| Developer | OpenAI | Anthropic |
| Context window | ~400K tokens | 1M tokens |
| Input price /1M | $0.75 | $5.00 |
| Output price /1M | $4.50 | $25.00 |
| Modalities | text, image | text, image |
| Best for | High-volume tasks like classification, extraction, and chat where cost and speed matter most. | Complex coding agents, long-horizon tasks, and workloads needing top reliability and reasoning. |
GPT-5.4 mini
- Very low cost
- Fast latency
- Good general capability for its size
- Solid tool calling
Claude Opus 4.8
- Best-in-class coding and agentic tasks
- Adaptive reasoning with effort controls
- 1M context at flat rate
- Strong instruction following and safety