Claude 3.5 Sonnet
Anthropic’s balanced Sonnet-tier model tuned for long-context reasoning, careful instruction following, and strong performance on coding and analysis workloads.
Newer version: Claude Sonnet 4.5
Provider
Anthropic
Model family
Anthropic Claude
LLM
Cost tier
Sonnet
Status
Legacy
Release Jun 21, 2024
Why teams choose it
Context limits and pricing are tiered—confirm the advertised window for your API or cloud path.
Bedrock vs direct Anthropic differ in IAM and data residency—align with security review early.
Tradeoffs to know
- Throughput quotas vary—plan for retries and backoff.
- Vision and tool capabilities evolve; regression-test critical prompts on upgrades.
Technical specs
- Inputs
- text, image
- Outputs
- text
- Capabilities
- long context, coding, analysis, tool use
- License
- Proprietary API
Benchmarks
- Mmmu
- 68.3
- Swe Bench
- 49
Anthropic Claude family lineup
Current models
Previous versions
Related models
Claude 3.5 Sonnet FAQ
What is Claude 3.5 Sonnet?
Anthropic’s balanced Sonnet-tier model tuned for long-context reasoning, careful instruction following, and strong performance on coding and analysis workloads. It is a common enterprise choice on the Anthropic API and on AWS Bedrock when teams need large context for RAG and document review.
When does Claude 3.5 Sonnet fit best?
Legal and finance review over long PDFs
What should teams watch out for with Claude 3.5 Sonnet?
Throughput quotas vary—plan for retries and backoff.
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