Claude Opus 4.8
FrontierVisionToolsAnthropic · Released May 2026
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...
It belongs to Anthropic's Claude family: Opus is the deep-capability tier, Sonnet balances quality and speed, Haiku is the light tier, and Fast servings trade some depth for latency.
Facts and pricing
- Provider
- Anthropic
- Context window
- 1M tokens
- Input price
- 55.0 credits / 1M tokens ($5.00 raw)
- Output price
- 275 credits / 1M tokens ($25.00 raw)
- Vision (image input)
- Yes
- Tool calling
- Yes
- Extended reasoning
- No
Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.
Try Claude Opus 4.8 now
What Claude Opus 4.8 is best for
- Hard problems where answer quality matters more than cost: strategy, analysis, difficult writing
- Very long documents and codebases: a 1M-token window fits entire books or repositories in one conversation
- Working with images: screenshots, charts, photos and scanned documents alongside text
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
Example prompts
Prompts that suit a frontier model like Claude Opus 4.8:
- Review this business plan and give me the three hardest questions an investor would ask
- Rewrite this announcement so it lands with both engineers and executives
- I am choosing between two job offers, help me think through the tradeoffs
- Draft a technical design doc for a rate limiter, including failure modes
Anthropic family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Claude Sonnet 5 | 1M | 22.0 | 110 | June 2026 |
| Claude Fable 5 | 1M | 110 | 550 | June 2026 |
| Claude Opus 4.8 (Fast) | 1M | 110 | 550 | May 2026 |
| Claude Opus 4.8 | 1M | 55.0 | 275 | May 2026 |
| Claude Opus 4.7 (Fast) | 1M | 330 | 1650 | May 2026 |
| Claude Opus 4.7 | 1M | 55.0 | 275 | April 2026 |
| Claude Sonnet 4.6 | 1M | 33.0 | 165 | February 2026 |
| Claude Opus 4.6 | 1M | 55.0 | 275 | February 2026 |
| Claude Opus 4.5 | 200K | 55.0 | 275 | November 2025 |
| Claude Haiku 4.5 | 200K | 11.0 | 55.0 | October 2025 |
Compare Claude Opus 4.8
- Claude Opus 4.8 vs GPT-5.6 Sol
- Claude Opus 4.8 vs Grok 4.5
- Claude Opus 4.8 vs Gemini 3.1 Pro Preview
- Claude Opus 4.8 vs Claude Sonnet 5
- Claude Opus 4.8 vs Claude Opus 4.7
- Claude Opus 4.8 vs Claude Opus 4.8 (Fast)
Frequently asked questions
- What is Claude Opus 4.8?
- Claude Opus 4.8 is an AI model by Anthropic. Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...
- How much does Claude Opus 4.8 cost on Zeplik?
- Input tokens cost 55.0 credits per million and output tokens 275 credits per million (1 credit = $0.10; the raw provider rates are $5.00 and $25.00 per million). New accounts start with free credits.
- How long can a conversation with Claude Opus 4.8 be?
- Claude Opus 4.8 has a 1M-token context window (1,000,000 tokens), which covers the conversation plus any documents you attach.
- Does Claude Opus 4.8 support images and tools?
- Claude Opus 4.8 accepts image input and supports tool calling.
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