Claude Opus 5.5 vs GPT-6 Astra
A side-by-side comparison of Claude Opus 5.5 and GPT-6 Astra — intelligence, context, capabilities, and price.
| Spec | ||
|---|---|---|
| Context window | 1M | 1.1M |
| Streaming | ||
| Reasoning | ||
| Tool use | ||
| Web search | ||
| Vision (image input) | ||
| Document input | ||
| Video | ||
| Audio |
Claude Opus 5.5 pricing
- Input$4.6 / 1M tokens
- Cached input$0.23 / 1M tokens
- 5m cache write$5.75 / 1M tokens
- 1h cache write$9.2 / 1M tokens
- Output$23 / 1M tokens
- Web search (when used)$11.5 / 1,000 searchs
List prices plus 15%. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.
View Claude Opus 5.5details →GPT-6 Astra pricing
- Input$11.5 / 1M tokens
- Cached input$1.15 / 1M tokens
- Cache write$14.375 / 1M tokens
- Output$57.5 / 1M tokens
- Web search (when used)$11.5 / 1,000 calls
List prices plus 15%. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.
View GPT-6 Astradetails →Claude Opus 5.5 vs GPT-6 Astra: FAQ
- Is Claude Opus 5.5 better than GPT-6 Astra?
- Anthropic's newest Opus for long-running agentic coding and knowledge work. $4/$20 per million tokens, with cache reads at $0.20/M. Vendor-reported Terminal-Bench 4.0 66.4% and GDPval-AA 1846 Elo at max effort. OpenAI's newest frontier model for complex reasoning, coding, and computer use, with a 1.05M-token context window. Self-reported 96.0 on GPQA and 91.5 on BrowseComp. The best choice depends on your workload — compare context window, capabilities, and price above, or try both on TryAI.
- Which is cheaper, Claude Opus 5.5 or GPT-6 Astra?
- See the pricing rows above for live per-token or per-generation costs. TryAI bills both from one pay-as-you-go balance.