Side by side pricing and context for Claude Opus 4.6 and GPT-5. Rates are curated catalog values with last verified dates on each model page.
Claude Opus 4.6
Prior Opus-class Claude for deep work when you need Opus capability at published Opus rates. Prefer for quality-critical paths, not bulk classification.
Input $5.00 / Output $25.00 per 1M
Context 1M · Approx (Anthropic family)
GPT-5
OpenAI frontier model for hard coding, agents, and long-context production work. Use when quality matters more than the cheapest token rate, then check cache and batch in TokenCALC before you scale.
Input $1.25 / Output $10.00 per 1M
Context 400K · Exact (o200k_base)
Quick take
- GPT-5 is cheaper on input in this catalog snapshot.
- GPT-5 is cheaper on output in this catalog snapshot.
- Both last verified on their model pages (2026-08-02 / 2026-08-02).
Rate table
| Metric | Claude Opus 4.6 | GPT-5 |
|---|---|---|
| Input / 1M | $5.00 | $1.25 |
| Output / 1M | $25.00 | $10.00 |
| Cached input / 1M | $0.500 | $0.125 |
| Context | 1M | 400K |
| Tokenizer | Approx (Anthropic family) | Exact (o200k_base) |