Anthropic: Claude Sonnet 4 (retires Oct 15)

anthropic/claude-sonnet-4

Last Observed: 2026-10-15 06:04:19.939392 UTC

Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...

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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 · 13

Context Tokens API Details /context_length 200000	200,000
Created API Details /created 1747930371	2025-05-22 16:12:51 UTC
Description API Details /description Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...	Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability.… Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
Expiration Date API Details /expiration_date 2026-10-15	2026-10-15
Id API Details /id anthropic/claude-sonnet-4	anthropic/claude-sonnet-4
Is Free API Details /isFree False	False
May Train On Your Prompts API Details /mayTrainOnYourPrompts False	False
Name API Details /name Anthropic: Claude Sonnet 4 (retires Oct 15)	Anthropic: Claude Sonnet 4 (retires Oct 15)
Opencode · Ai Sdk Provider API Details /opencode/ai_sdk_provider anthropic	anthropic
Opencode · Variants · Instant · Reasoning · Effort API Details /opencode/variants/instant/reasoning/effort none	none
Opencode · Variants · Instant · Reasoning · Enabled API Details /opencode/variants/instant/reasoning/enabled False	False
Opencode · Variants · Thinking · Reasoning · Effort API Details /opencode/variants/thinking/reasoning/effort high	high
Opencode · Variants · Thinking · Reasoning · Enabled API Details /opencode/variants/thinking/reasoning/enabled True	True

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 5

Output Price · USD/Token API Details /pricing/completion 0.000015	0.000015
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.0000003	0.0000003
Pricing · Input Cache Write API Details /pricing/input_cache_write 0.00000375	0.00000375
Input Price · USD/Token API Details /pricing/prompt 0.000003	0.000003
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 200000	200,000
Top Provider · Is Moderated API Details /top_provider/is_moderated True	True
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 64000	64,000

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 · Instant API Details /opencode/variants/instant Object · See Fields	Object · See Fields
Opencode · Variants · Instant · Reasoning API Details /opencode/variants/instant/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Thinking API Details /opencode/variants/thinking Object · See Fields	Object · See Fields
Opencode · Variants · Thinking · Reasoning API Details /opencode/variants/thinking/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

image
text
file
pdf

API Details

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

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

9 items · source order preserved

include_reasoning
max_tokens
reasoning
stop
temperature
tool_choice
tools
top_k
top_p

API Details

Item	/supported_parameters/*
1	include_reasoning
2	max_tokens
3	reasoning
4	stop
5	temperature
6	tool_choice
7	tools
8	top_k
9	top_p

Recorded Value History

Historical API Field

Input Price · USD/Token

2 of 2 records plotted · 0 excluded for missing or invalid coordinates.

Up to 100 recorded versions, spaced by observation order rather than elapsed time. Array fields use the minimum numeric item in each version. Missing values are omitted. Select a point to open its archived snapshot; comparison actions use the current listing. History begins at the first recorded baseline.

Axis Scale

Select a point to open its listing or add it to compare.

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