Claude Sonnet 4.6
Model overview
claude-sonnet-4-6
Anthropic's Sonnet 4.6 version, which remains Active.
general LLMreasoningcodingvision-languageagentlong contextchatcode generationsoftware engineering agententerprise access
Representative version
claude-sonnet-4-6
| Company | Anthropic |
|---|---|
| Release | 2026-02-17 |
| Release type | Model release |
| Parameters | Not disclosed |
| Architecture | Not disclosed |
| Context | 1,000,000 |
| 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-sonnet-4-6-current · License not applicable |
| Vendor API | Available Introducing Claude Sonnet 4.6anthropic-claude-sonnet-4-6-current · 2026-02-17 |
| OpenRouter | OpenRouter listed |
| Pricing | OpenRouter · 2026-08-11: $3 / $15 input / output, per 1M tokens |
| Benchmark | No reliable public source |
| Public signals | No reliable public source |
| Use cases | Agentic coding / Long-context analysis / Production application backends / assistant chat |
| Claim evidence | Release event / Model specificationsIntroducing Claude Sonnet 4.6claude-sonnet-4-6 · 2026-02-17 · Claude Sonnet 4.6 · claude-sonnet-4-6 Lifecycle statusAnthropic model deprecationsOfficial status: Active OpenRouter context / capabilities / pricingOpenRouter public models APIanthropic/claude-sonnet-4.6 · 2026-08-11T06:28:09.895Z |
OpenRouter
Pricing / context / availability
| OpenRouter | OpenRouter listed |
|---|---|
| OpenRouter listing | anthropic/claude-sonnet-4.6 |
| Mapped version | claude-sonnet-4-6 anthropic-claude-sonnet-4-6-current |
| Pricing | OpenRouter · 2026-08-11: $3 / $15 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 Sonnet 4.6 0217 anthropic-claude-sonnet-4-6-current | Weekly token usage on OpenRouter public rankings API | 17 | 840,098,997,047 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.
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