Claude Opus 4.8

Model overview
claude-opus-4-8
Anthropic's Opus 4.8 version, which remains Active.
general LLMreasoningcodingvision-languageagentlong contextchatcode generationsoftware engineering agententerprise access
Representative version
claude-opus-4-8
| Company | Anthropic |
|---|---|
| Release | 2026-05-28 |
| Release type | Model release |
| Parameters | Not disclosed |
| Architecture | Not disclosed |
| Context | 1,000,000 (OpenRouter) |
| Input modalities | text / image |
| Output modalities | text |
| Tool use / function calling | Confirmed: Tool use |
| Structured output / reasoning | Confirmed: Reasoning |
| Vision / audio / video | Confirmed: Vision |
| Open weights / License | No open weights currently / weight license not disclosed anthropic-claude-opus-4-8-current · License not applicable |
| Vendor API | Available Introducing Claude Opus 4.8anthropic-claude-opus-4-8-current · 2026-05-28 |
| OpenRouter | OpenRouter listed |
| Pricing | OpenRouter · 2026-08-11: $5 / $25 input / output, per 1M tokens |
| Benchmark | No reliable public source |
| Public signals | No reliable public source |
| Use cases | Complex reasoning / Long-horizon agentic coding / High-autonomy enterprise workflows / assistant chat |
| Claim evidence | Release event / Model specificationsIntroducing Claude Opus 4.8claude-opus-4-8 · 2026-05-28 · Claude Opus 4.8 · claude-opus-4-8 Lifecycle statusAnthropic model deprecationsOfficial status: Active OpenRouter context / capabilities / pricingOpenRouter public models APIanthropic/claude-opus-4.8 · 2026-08-11T06:28:09.895Z |
OpenRouter
Pricing / context / availability
| OpenRouter | OpenRouter listed |
|---|---|
| OpenRouter listing | anthropic/claude-opus-4.8 |
| Mapped version | claude-opus-4-8 anthropic-claude-opus-4-8-current |
| Pricing | OpenRouter · 2026-08-11: $5 / $25 input / output, per 1M tokens |
| Context | 1000000 |
| Speed/Latency | No reliable public source |
| Snapshot time | 2026-08-11T06:28:09.895Z |
| Source | View source |
Source-bounded public ranking
OpenRouter weekly token-usage ranking
| Source | Model / version | Metric | Rank | Value | Checked | Link |
|---|---|---|---|---|---|---|
| OpenRouter | Anthropic: Claude Opus 4.8 0528 anthropic-claude-opus-4-8-current | Weekly token usage on OpenRouter public rankings API | 22 | 538,526,300,578 tokens | 2026-08-11 | View source |
OpenRouter weekly prompt-plus-completion token usage only; this is not a model-quality or whole-market ranking.
Verified limitations
Usage boundaries
- Closed-source parameter counts are not officially disclosed.
- Pricing is not duplicated here until a source-specific public pricing row is refreshed.
Missing public information
Public information not yet available
Parameter scale not disclosedNo reliable benchmark sourceNo public model-card activity countersNo linkable model-specific reviewSpeed/latency not disclosed