Tencent: Hy4 preview

tencent/hy4-preview

Last Observed: 2026-10-15 06:03:55.652821 UTC

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that...

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Architecture And Modalities · 3

Architecture · Instruct Type API Details /architecture/instruct_type Explicit Null	Explicit Null
Architecture · Modality API Details /architecture/modality text->text	text->text
Architecture · Tokenizer API Details /architecture/tokenizer Other	Other

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug tencent/hy4-preview-20260827	tencent/hy4-preview-20260827
Context Tokens API Details /context_length 1048576	1,048,576
Created API Details /created 1787897375	2026-08-28 06:09:35 UTC
Description API Details /description Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that...	Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id tencent/Hy4-preview	tencent/Hy4-preview
Id API Details /id tencent/hy4-preview	tencent/hy4-preview
Knowledge Cutoff API Details /knowledge_cutoff Explicit Null	Explicit Null
Links · Details API Details /links/details /api/v1/models/tencent/hy4-preview-20260827/endpoints	/api/v1/models/tencent/hy4-preview-20260827/endpoints
Name API Details /name Tencent: Hy4 preview	Tencent: Hy4 preview
Supported Voices API Details /supported_voices Explicit Null	Explicit Null

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 3

Output Price · USD/Token API Details /pricing/completion 0.000002501	0.000002501
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.000000042	0.000000042
Input Price · USD/Token API Details /pricing/prompt 0.000000834	0.000000834

Reasoning · 3

Reasoning · Default Effort API Details /reasoning/default_effort high	high
Reasoning · Default Enabled API Details /reasoning/default_enabled True	True
Reasoning · Mandatory API Details /reasoning/mandatory False	False

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 1048576	1,048,576
Top Provider · Is Moderated API Details /top_provider/is_moderated False	False
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
Default Parameters API Details /default_parameters Object · See Fields	Object · See Fields
Links API Details /links Object · See Fields	Object · See Fields
Pricing API Details /pricing Object · See Fields	Object · See Fields
Pricing · Overrides API Details /pricing/overrides Array · See Items	Array · See Items
Reasoning API Details /reasoning Object · See Fields	Object · See Fields
Reasoning · Supported Efforts API Details /reasoning/supported_efforts Array · See Items	Array · See Items
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

1 items · source order preserved

text

API Details

Item	/architecture/input_modalities/*
1	text

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

21 items · source order preserved

frequency_penalty
include_reasoning
logit_bias
logprobs
max_completion_tokens
max_tokens
min_p
presence_penalty
reasoning
reasoning_effort
repetition_penalty
response_format
seed
stop
structured_outputs
temperature
tool_choice
tools
top_k
top_logprobs
top_p

API Details

Item	/supported_parameters/*
1	frequency_penalty
2	include_reasoning
3	logit_bias
4	logprobs
5	max_completion_tokens
6	max_tokens
7	min_p
8	presence_penalty
9	reasoning
10	reasoning_effort
11	repetition_penalty
12	response_format
13	seed
14	stop
15	structured_outputs
16	temperature
17	tool_choice
18	tools
19	top_k
20	top_logprobs
21	top_p

Reasoning · Supported Efforts

3 items · source order preserved

high
low
none

API Details

Item	/reasoning/supported_efforts/*
1	high
2	low
3	none

Pricing · Overrides

2 items · source order preserved

Item	Completion	Input Cache Read	Prompt	Utc End	Utc Start
1	0.000002501	0.000000042	0.000000834	1600	0
2	0.0000022509	0.0000000378	0.0000007506	0	1600

API Details

Item	/pricing/overrides/*/completion	/pricing/overrides/*/input_cache_read	/pricing/overrides/*/prompt	/pricing/overrides/*/utc_end	/pricing/overrides/*/utc_start
1	0.000002501	0.000000042	0.000000834	1600	0
2	0.0000022509	0.0000000378	0.0000007506	0	1600

Recorded Value History

Historical API Field

Input Price · USD/Token

5 of 5 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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