Catalog Changes · 2026-10-13 03:21:30.662990

Anthropic: Claude Sonnet 5.5 · 2026-10-13 03:21:30.662990 UTC

Current Model Listing

Kilo

First recorded baseline; no earlier history is available.

← Back To Results

Anthropic: Claude Sonnet 5.5

anthropic/claude-sonnet-5.5

Kilo Catalog Changes

Last Observed: 2026-10-15 06:04:21.394668 UTC

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...

Find A Field

Architecture And Modalities · 2

Architecture · Modality API Details /architecture/modality text+image+file->text	text+image+file->text
Architecture · Tokenizer API Details /architecture/tokenizer Claude	Claude

Catalog Identity And Metadata · 24

Context Tokens API Details /context_length 1000000	1,000,000
Created API Details /created 1790618686	2026-09-28 18:04:46 UTC
Description API Details /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...	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...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Id API Details /id anthropic/claude-sonnet-5.5	anthropic/claude-sonnet-5.5
Is Free API Details /isFree False	False
May Train On Your Prompts API Details /mayTrainOnYourPrompts False	False
Name API Details /name Anthropic: Claude Sonnet 5.5	Anthropic: Claude Sonnet 5.5
Opencode · Ai Sdk Provider API Details /opencode/ai_sdk_provider anthropic	anthropic
Opencode · Variants · High · Reasoning · Effort API Details /opencode/variants/high/reasoning/effort high	high
Opencode · Variants · High · Reasoning · Enabled API Details /opencode/variants/high/reasoning/enabled True	True
Opencode · Variants · High · Verbosity API Details /opencode/variants/high/verbosity high	high
Opencode · Variants · Low · Reasoning · Effort API Details /opencode/variants/low/reasoning/effort low	low
Opencode · Variants · Low · Reasoning · Enabled API Details /opencode/variants/low/reasoning/enabled True	True
Opencode · Variants · Low · Verbosity API Details /opencode/variants/low/verbosity low	low
Opencode · Variants · Max · Reasoning · Effort API Details /opencode/variants/max/reasoning/effort max	max
Opencode · Variants · Max · Reasoning · Enabled API Details /opencode/variants/max/reasoning/enabled True	True
Opencode · Variants · Max · Verbosity API Details /opencode/variants/max/verbosity max	max
Opencode · Variants · Medium · Reasoning · Effort API Details /opencode/variants/medium/reasoning/effort medium	medium
Opencode · Variants · Medium · Reasoning · Enabled API Details /opencode/variants/medium/reasoning/enabled True	True
Opencode · Variants · Medium · Verbosity API Details /opencode/variants/medium/verbosity medium	medium
Opencode · Variants · Xhigh · Reasoning · Effort API Details /opencode/variants/xhigh/reasoning/effort xhigh	xhigh
Opencode · Variants · Xhigh · Reasoning · Enabled API Details /opencode/variants/xhigh/reasoning/enabled True	True
Opencode · Variants · Xhigh · Verbosity API Details /opencode/variants/xhigh/verbosity xhigh	xhigh

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 6

Output Price · USD/Token API Details /pricing/completion 0.00001	0.00001
Pricing · Discount API Details /pricing/discount 0	0
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.0000001	0.0000001
Pricing · Input Cache Write API Details /pricing/input_cache_write 0.0000025	0.0000025
Input Price · USD/Token API Details /pricing/prompt 0.000002	0.000002
Pricing · Web Search API Details /pricing/web_search 0.01	0.01

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 1000000	1,000,000
Top Provider · Is Moderated API Details /top_provider/is_moderated True	True
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 128000	128,000

API Structure And Container Types

Architecture API Details /architecture Object · See Fields	Object · See Fields
Architecture · Input Modalities API Details /architecture/input_modalities Array · See Items	Array · See Items
Architecture · Output Modalities API Details /architecture/output_modalities Array · See Items	Array · See Items
Opencode API Details /opencode Object · See Fields	Object · See Fields
Opencode · Variants API Details /opencode/variants Object · See Fields	Object · See Fields
Opencode · Variants · High API Details /opencode/variants/high Object · See Fields	Object · See Fields
Opencode · Variants · High · Reasoning API Details /opencode/variants/high/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Low API Details /opencode/variants/low Object · See Fields	Object · See Fields
Opencode · Variants · Low · Reasoning API Details /opencode/variants/low/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Max API Details /opencode/variants/max Object · See Fields	Object · See Fields
Opencode · Variants · Max · Reasoning API Details /opencode/variants/max/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Medium API Details /opencode/variants/medium Object · See Fields	Object · See Fields
Opencode · Variants · Medium · Reasoning API Details /opencode/variants/medium/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Xhigh API Details /opencode/variants/xhigh Object · See Fields	Object · See Fields
Opencode · Variants · Xhigh · Reasoning API Details /opencode/variants/xhigh/reasoning Object · See Fields	Object · See Fields
Pricing API Details /pricing Object · See Fields	Object · See Fields
Supported Parameters API Details /supported_parameters Array · See Items	Array · See Items
Top Provider API Details /top_provider Object · See Fields	Object · See Fields

Architecture · Input Modalities

4 items · source order preserved

text
image
file
pdf

API Details

Item	/architecture/input_modalities/*
1	text
2	image
3	file
4	pdf

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

11 items · source order preserved

include_reasoning
max_completion_tokens
max_tokens
reasoning
reasoning_effort
response_format
stop
structured_outputs
tool_choice
tools
verbosity

API Details

Item	/supported_parameters/*
1	include_reasoning
2	max_completion_tokens
3	max_tokens
4	reasoning
5	reasoning_effort
6	response_format
7	stop
8	structured_outputs
9	tool_choice
10	tools
11	verbosity