GPT-5.4 vs Claude Sonnet 4.6
How GPT-5.4 (OpenAI) and Claude Sonnet 4.6 (Anthropic) compare on price, context window and best-fit use case.
In short: GPT-5.4 is best for Most production apps wanting near-flagship quality at roughly half the flagship price, while Claude Sonnet 4.6 suits Everyday coding, agents, and production apps wanting Claude quality without flagship pricing. On price it's $2.50 vs $3.00 per 1M input tokens; on context, ~1M tokens (922K input, 128K output) vs 1M tokens.
| Spec | GPT-5.4 | Claude Sonnet 4.6 |
|---|---|---|
| Developer | OpenAI | Anthropic |
| Context window | ~1M tokens (922K input, 128K output) | 1M tokens |
| Input price /1M | $2.50 | $3.00 |
| Output price /1M | $15.00 | $15.00 |
| Modalities | text, image | text, image |
| Best for | Most production apps wanting near-flagship quality at roughly half the flagship price. | Everyday coding, agents, and production apps wanting Claude quality without flagship pricing. |
GPT-5.4
- Excellent price-to-performance
- Strong reasoning and coding
- 1M context
- Mature ecosystem and tooling
Claude Sonnet 4.6
- Strong coding at lower cost than Opus
- 1M context window
- Fast and reliable
- Excellent for agentic tooling