Claude 3.5 Sonnet
Former Anthropic default model; SWE-bench record holder at release.
- Input
- $3.00 / 1M tokens
- Output
- $15.00 / 1M tokens
- Cached read
- $0.30 / 1M tokens
- Cached write
- — / 1M tokens
- Batch discount
- 50%
- Source
- Claude 3.5 Sonnet pricing
- Verified
- Apr 5, 2026 (High)
Capabilities
- Modalities
- textimage→text
- Capabilities
- imageInputbatchSupportpromptCachingfunctionCallingstructuredOutputs
- Strengths
- Best-in-class at launch, SWE-bench leader
- Tradeoffs
- Retired October 2025
Benchmark Coverage
| Benchmark | Version | Score | Date | Source | Notes |
|---|---|---|---|---|---|
| MMLU | 2024 | 88.3 % | Oct 1, 2024 | Anthropic | Vendor-reported |
| SWE-bench Verified | 2024 | 49 % | Oct 1, 2024 | Anthropic | Vendor-reported |
Release History
| Release | Alias | Lifecycle | Release Date | Deprecation | Shutdown | Summary |
|---|---|---|---|---|---|---|
| Claude 3.5 Sonnet | claude-3-5-sonnet | Retired | Oct 22, 2024 | — | — | Current published model family snapshot. |
Host Coverage
| Host | Type | Context | Pricing Note | Differences |
|---|---|---|---|---|
| Anthropic API | first-party | 200.0K | Retired. | — |
Migration Guidance
Retired. Migrate to Claude Sonnet 4.6.
Replacement models: claude-sonnet-4-6
Change Events
| Date | Type | Title | Description | Source |
|---|---|---|---|---|
| Jun 21, 2024 | family_added | Claude 3.5 Sonnet published | Initial public model family launch. | Claude 3.5 Sonnet release notes |
Other models from Anthropic
Claude 3 Haiku, Claude 3 Opus, Claude 3.5 Haiku, Claude 3.7 Sonnet, Claude Haiku 4.5, Claude Opus 4, Claude Opus 4.6, Claude Sonnet 4, Claude Sonnet 4.6