Claude Opus 4.6
FrontierVisionToolsAnthropic · Released February 2026
Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...
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 4.6 now
What Claude Opus 4.6 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 4.6:
- 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 |
Frequently asked questions
- What is Claude Opus 4.6?
- Claude Opus 4.6 is an AI model by Anthropic. Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...
- How much does Claude Opus 4.6 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 4.6 be?
- Claude Opus 4.6 has a 1M-token context window (1,000,000 tokens), which covers the conversation plus any documents you attach.
- Does Claude Opus 4.6 support images and tools?
- Claude Opus 4.6 accepts image input and supports tool calling.
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