Claude Sonnet 5
A long-context reasoning model suited to multi-step coding agents, large repository review, and work that benefits from extended tool use.
AnthropicReasoningCodingLong Contextavailable
Model ID
Pass this as the model field on every request.
model
claude-sonnet-5- Provider
- Anthropic
- Context window
- 1M tokens
- Max output
- 128K tokens
- Access
- All plans
- Best for
- Deep reasoning, agents, and long coding tasks
Endpoints
Both request shapes are accepted for this model.
- /v1/chat/completionsOpenAI chat completions formatavailable
- /v1/messagesAnthropic message formatavailable
Base URL
https://api.prbycode.com/v1At a glance
The numbers most teams compare before switching a route.
Compare with
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| DeepSeek V4.1 Flash | 256K | $0.20 | $0.80 | Compare |
- GLM 5.3 Flash256K context · $0.25 in / $1.10 out
- GLM 5.2256K context · $0.60 in / $2.20 out
- DeepSeek V4 Pro256K context · $0.90 in / $3.40 out
- DeepSeek V4.1 Flash256K context · $0.20 in / $0.80 out