Claude 3.5 Sonnet
Claude 3.5 Sonnet is a legacy integration reference; keep it only while you identify a current replacement.
- Family
- Claude 3.5
- Released
- 2024-06-20
- Context
- 200K
- Parameters
- 70B
- Architecture
- Decoder Only
- Knowledge cutoff
- 2024-04
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryRestricted
- Weights
- Not released
- Code
- Unknown
- Training
- Fine-tuned
Cheapest of 4 routes · AWS Bedrock
About
Claude 3.5 Sonnet, the latest in Anthropic's line of large language models, merges state-of-the-art reasoning, coding, and natural language understanding capabilities with advanced multi-modal processing. Released in October 2024, it excels in benchmarks against previous models and competitors, thanks to its scalable attention mechanisms and massive neural network architecture. Its dynamic routing enables specialization in various tasks, supporting applications from software development and data analysis to customer support and content creation. Users benefit from its "Artifacts" feature for real-time collaborative workflows and can access the model through platforms like Claude.ai and APIs at competitive pricing rates.
Providers(4)
Compare all 4Compare API pricing across 4 tracked provider routes for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| AWS Bedrock | $3.00 | $15.00 | Serverless |
| GCP Vertex AI | $3.00 | $15.00 | Serverless |
| Replicate API | $3.00 | $15.00 | Serverless |
| Microsoft Foundry | - | - | ServerlessPartial |
Deprecated provider routes(2)
| Provider | Status | Catalog ID |
|---|---|---|
| Anthropic | Deprecated | claude-3-5-sonnet-20240620 |
| OpenRouter | Deprecated | anthropic/claude-3.5-sonnet |
Available via routers & gateways(16)
LiteLLM
GatewayOpen-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
OpenRouter
HybridUnified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.
AIRouter
RouterCommercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
Amazon Bedrock Intelligent Prompt Routing
RouterAWS Bedrock's native intelligent prompt router that routes prompts between Anthropic Claude model tiers (Haiku/Sonnet) based on predicted task complexity, with no extra per-routing charge.
Azure AI Foundry Model Router
RouterMicrosoft Azure AI Foundry's native model router that uses a trained ML model to route each prompt in real time to the optimal Azure-hosted model, with Balanced/Cost/Quality mode selection and automatic failover.
Capabilities
Benchmark peer barsfor Coding
Benchmark scores(12)
| Benchmark | Score | Version | Evaluation | Source |
|---|---|---|---|---|
| 96.2 | 10-shotObserved 2026-03-06 | — | ||
| 92.0 | pass@1Observed 2026-03-06 | — | ||
| 88.7 | 5-shotObserved 2026-03-06 | — | ||
| 49.0 | 2024-10Observed 2026-04-09 | — | ||
| 48.7 | 2026-04Observed 2026-04-14 | — | ||
| 51.6 | 2026-04Observed 2026-04-14 | — | ||
| 44.6 | 2025-01 (Instruct Pass@1)Observed 2026-04-14 | — | ||
| 1340.0 | —Observed 2026-04-15 | — | ||
| 68.3 | —Observed 2026-04-15 | — | ||
| 77.2 | —Observed 2026-04-14 | — | ||
| 63.7 | standard 4-option (original paper harness)Observed 2024-09-04 | — | ||
| 78.8 | —Observed 2026-05-28 | — |
Migration checks
No linked migration route is available for this model yet.
Compare Claude 3.5 Sonnet with other models
Comparison and alternatives
Browse all comparisons →Show all 2 popular comparisonssorted by 7-day search impressions
Cheapest of 4 routes · AWS Bedrock