Anthropic

Claude Sonnet 5.5

Anthropic • claude-sonnet-5-5
Model Information
Slug claude-sonnet-5-5
LLMs.txt View
Release Date September 28, 2026 New
SWE Bench Pro 0.813
Organization
Model Description
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing polished documents, slides, and spreadsheets, and it writes and communicates more clearly than its predecessor.

Thinking is always on, so effort is the main lever for trading off depth, latency, and cost, and lower effort settings keep it responsive for everyday agentic loops.
Available at 104 Providers
Provider Type Model Name Original Model Input ($/1M) Output ($/1M) Free Actions
InferHub
InferHub
P2P
Claude Sonnet 5.5
ag/claude-sonnet-5-5 $0.05 $0.26
AntSeed
AntSeed
P2P
Claude Sonnet 5.5
Claude Sonnet 5.5 $0.12 $0.60
UsePod
UsePod
P2P
claude-sonnet-5-5
claude-sonnet-5-5 $0.20 $1.00
InferHub
InferHub
P2P
Claude Sonnet 5.5
cc/claude-sonnet-5-5 $0.20 $1.00
Surplus Intelligence
Surplus Intelligence
P2P
claude-sonnet-5.5 $0.26 $1.29
TeamoRouter
TeamoRouter
Claude sonnet 5.5
claude-sonnet-5-5 $0.57 $2.84
Ruvicode
Ruvicode
Claude Sonnet 5.5
claude-sonnet-5.5 $0.76 $3.79
Cline
Cline
Code
Anthropic: Claude Sonnet 5.5 (batch)
anthropic/claude-sonnet-5.5:batch $1.00 $5.00
Nous Research
Nous Research
Anthropic: Claude Sonnet 5.5 (batch)
anthropic/claude-sonnet-5.5:batch $1.00 $5.00
OpenRouter
OpenRouter
Chat Code
Claude Sonnet 5.5 (batch)
anthropic/claude-sonnet-5.5:batch $1.00 $5.00
Smouter
Smouter
Claude Sonnet 5.5
claude-sonnet-5.5 $1.00 $5.00
Naga
Naga
Claude Sonnet 5.5
claude-sonnet-5.5 $1.00 $5.00
InferHub
InferHub
P2P
Claude Sonnet 5.5 (Kiro)
kiro/claude-sonnet-5.5 $1.00 $5.00
Routstr
Routstr
P2P
Claude Sonnet 5.5
claude-sonnet-5-5 $1.13 $5.63
LLM7
LLM7
Chat Code
claude-sonnet-5-5
claude-sonnet-5-5 $1.40 $7.00
KiosAPI
KiosAPI
claude-sonnet-5-5
claude-sonnet-5-5 $1.50 $1.50
Qubax AI
Qubax AI
P2P
Claude Sonnet 5.5
claude-sonnet-5.5 $1.52 $6.08
SayGM
SayGM
P2P
claude-sonnet-5-5
claude-sonnet-5-5 $1.76 $8.79
OpenModel
OpenModel
Code
claude-sonnet-5-5
claude-sonnet-5-5 $1.90 $9.50
Anthropic
Anthropic
Chat Code
Claude Sonnet 5.5
claude-sonnet-5-5 $2.00 $10.00
Cline
Cline
Code
Anthropic: Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
Kilo Code
Kilo Code
Code
Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
Nous Research
Nous Research
Anthropic: Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
OpenRouter
OpenRouter
Chat Code
Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
Requesty
Requesty
anthropic/claude-sonnet-5-5 $2.00 $10.00
Requesty
Requesty
bedrock/claude-sonnet-5-5 $2.00 $10.00
ValorGPT
ValorGPT
Claude Sonnet 5.5
anthropic-claude-sonnet-5.5 $2.00 $10.00
Vercel AI Gateway
Vercel AI Gateway
Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
Cursor
Cursor
Code
Claude Sonnet 5.5
claude-sonnet-5-5 $2.00 $10.00
Glama
Glama
claude-sonnet-5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
Inworld
Inworld
claude-sonnet-5-5
claude-sonnet-5-5 $2.00 $10.00
Azure AI Services
Azure AI Services
Claude Sonnet 5.5
claude-sonnet-5-5 $2.00 $10.00
Merge Gateway
Merge Gateway
Claude Sonnet 5.5
anthropic/claude-sonnet-5-5 $2.00 $10.00
LLM Gateway
LLM Gateway
Chat
Claude Sonnet 5.5
claude-sonnet-5-5 $2.00 $10.00
Nano-GPT
Nano-GPT
Chat Code
Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
Nano-GPT
Nano-GPT
Chat Code
Claude Sonnet 5.5 Thinking
anthropic/claude-sonnet-5.5:thinking $2.00 $10.00
TokenRouter
TokenRouter
anthropic/claude-sonnet-5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
CommandCode AI
CommandCode AI
Claude Sonnet 5.5
claude-sonnet-5-5 $2.00 $10.00
LLM Stats
LLM Stats
Chat
Claude Sonnet 5.5
claude-sonnet-5-5 $2.00 $10.00
MegaNova
MegaNova
Chat
Claude-Sonnet-5.5
anthropic/claude-sonnet-5-5 $2.00 $10.00
OpenCode Zen
OpenCode Zen
Chat Code
claude-sonnet-5-5
claude-sonnet-5-5 $2.00 $10.00
AIHubMix
AIHubMix
Chat Code
claude-sonnet-5-5
claude-sonnet-5-5 $2.00 $10.00
Apertis
Apertis
Claude Sonnet 5.5
claude-sonnet-5.5 $2.00 $10.00
CometAPI
CometAPI
Claude Sonnet 5.5
claude-sonnet-5-5 $2.00 $10.00
ZenMUX
ZenMUX
Chat Code
Anthropic: Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
Infron
Infron
Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
GitHub Copilot
GitHub Copilot
Claude Sonnet 5.5
claude-sonnet-5.5 $2.00 $10.00
Eden AI
Eden AI
Claude Sonnet 5.5
anthropic/claude-sonnet-5-5 $2.00 $10.00
302.AI
302.AI
claude-sonnet-5-5
claude-sonnet-5-5 $2.00 $10.00
Experiential Labs
Experiential Labs
claude-sonnet-5.5 $2.00 $10.00
Requesty
Requesty
vertex/claude-sonnet-5-5 $2.00 $10.00
FastRouter
FastRouter
Anthropic: Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
CrossModel
CrossModel
Claude Sonnet 5.5
anthropic/claude-sonnet-5-5 $2.00 $10.00
Ofox
Ofox
Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
Near AI
Near AI
anthropic/claude-sonnet-5-5 $2.00 $10.00
Routeway
Routeway
Anthropic: Claude Sonnet 5.5
claude-sonnet-5.5 $2.00 $10.00
DeepInfra
DeepInfra
claude-sonnet-5-5
anthropic/claude-sonnet-5-5 $2.00 $10.00
Vivgrid
Vivgrid
Claude Sonnet 5.5
claude-sonnet-5-5 $2.00 $10.00
WaveSpeed AI
WaveSpeed AI
Chat Code
claude-sonnet-5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
OrcaRouter
OrcaRouter
Anthropic: Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
LLM Gateway
LLM Gateway
Claude Sonnet 5.5 (AWS Bedrock)
aws-bedrock/claude-sonnet-5-5 $2.00 $10.00
Token Harbor
Token Harbor
Claude Sonnet 5.5
claude-sonnet-5.5 $2.00 $10.00
Mammouth AI
Mammouth AI
Chat
claude-sonnet-5-5
claude-sonnet-5-5 $2.00 $10.00
Devin
Devin
Claude Sonnet 5.5 High
claude-sonnet-5-5-high $2.00 $10.00
Devin
Devin
Claude Sonnet 5.5 Low
claude-sonnet-5-5-low $2.00 $10.00
Devin
Devin
Claude Sonnet 5.5 Max
claude-sonnet-5-5-max $2.00 $10.00
Devin
Devin
Claude Sonnet 5.5 Medium
claude-sonnet-5-5-medium $2.00 $10.00
Devin
Devin
Claude Sonnet 5.5 XHigh
claude-sonnet-5-5-xhigh $2.00 $10.00
Cloudflare AI Gateway
Cloudflare AI Gateway
Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 $2.00 $10.00
NetMind
NetMind
claude-sonnet-5-5
anthropic/claude-sonnet-5-5 $2.00 $10.00
Poe
Poe
Claude-Sonnet-5.5
claude-sonnet-5.5 $2.02 $10.10
Requesty
Requesty
vertex/claude-sonnet-5-5@eu $2.20 $11.00
Requesty
Requesty
vertex/claude-sonnet-5-5@us $2.20 $11.00
Zed
Zed
Code
Claude Sonnet 5.5
Claude Sonnet 5.5 $2.20 $11.00
Eurouter
Eurouter
Claude Sonnet 5.5
claude-sonnet-5-5 $2.20 $11.00
Requesty
Requesty
bedrock/claude-sonnet-5-5@eu-north-1 $2.20 $11.00
Requesty
Requesty
bedrock/claude-sonnet-5-5@eu-central-1 $2.20 $11.00
Requesty
Requesty
bedrock/claude-sonnet-5-5@eu-west-3 $2.20 $11.00
Requesty
Requesty
bedrock/claude-sonnet-5-5@eu-west-1 $2.20 $11.00
Cortecs
Cortecs
Chat
Claude Sonnet 5.5
claude-sonnet-5.5 $2.25 $11.25
Venice
Venice
Claude Sonnet 5.5
claude-sonnet-5-5 $2.50 $12.50
Mordiem
Mordiem
Claude Sonnet 5.5
claude-sonnet-5-5 $2.50 $12.50
Krater
Krater
Anthropic: Claude Sonnet 5.5
claude-sonnet-5-5 - -
AIMLAPI
AIMLAPI
Claude Sonnet 5.5
anthropic/claude-sonnet-5-5 - -
AIMLAPI
AIMLAPI
Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 - -
Concentrate AI
Concentrate AI
Claude Sonnet 5.5
claude-sonnet-5-5 - -
Factory.ai
Factory.ai
Code
Claude Sonnet 5.5
claude-sonnet-5-5 - -
TokenReply
TokenReply
Chat Code
claude-sonnet-5-5
claude-sonnet-5-5 - -
b.ai
b.ai
Claude Sonnet 5.5
claude-sonnet-5.5 - -
RouterLink
RouterLink
Claude Sonnet 5.5
Claude Sonnet 5.5 - -
ApiYI
ApiYI
Chat Code
claude-sonnet-5-5-thinking
claude-sonnet-5-5-thinking - -
ApiYI
ApiYI
Chat Code
claude-sonnet-5-5
claude-sonnet-5-5 - -
Writingmate
Writingmate
Chat Code
Anthropic: Claude Sonnet 5.5
anthropic/claude-sonnet-5.5 - -
Junie
Junie
Code
claude-sonnet-5-5
claude-sonnet-5-5 - -
FreeModel
FreeModel
claude-sonnet-5-5 - -
KIE.AI
KIE.AI
claude-sonnet-5-5, chat, output
claude-sonnet-5-5 - -
Runware
Runware
Claude Sonnet 5.5
anthropic-claude-sonnet-5-5 - -
Airforce API
Airforce API
claude-sonnet-5.5
claude-sonnet-5.5 - -
Kiro
Kiro
claude sonnet 5.5
claude sonnet 5.5 - -
JetBrains AI
JetBrains AI
Code
Claude Sonnet 5.5
Claude Sonnet 5.5 - -
LLM API
LLM API
Claude Sonnet 5.5
claude-sonnet-5-5 - -
NavyAI
NavyAI
Chat Code
anthropic
claude-sonnet-5.5 - -
ZO Computer
ZO Computer
Sonnet 5.5
zo:anthropic/claude-sonnet-5-5 - -
Morpheus
Morpheus
Claude Sonnet 5.5
Claude Sonnet 5.5 - -