Upstage: Solar Mini 4

upstage/solar-mini4

Last Observed: 2026-10-15 06:03:54.724938 UTC

Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic use cases where response...

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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

Benchmarks · 3

Benchmarks · Artificial Analysis · Agentic Index API Details /benchmarks/artificial_analysis/agentic_index Explicit Null	Explicit Null
Benchmarks · Artificial Analysis · Coding Index API Details /benchmarks/artificial_analysis/coding_index Explicit Null	Explicit Null
Benchmarks · Artificial Analysis · Intelligence Index API Details /benchmarks/artificial_analysis/intelligence_index 24.1	24.1

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug upstage/solar-mini4-20260922	upstage/solar-mini4-20260922
Context Tokens API Details /context_length 524288	524,288
Created API Details /created 1790160358	2026-09-23 10:45:58 UTC
Description API Details /description Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic use cases where response...	Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic use cases where response...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id Explicit Null	Explicit Null
Id API Details /id upstage/solar-mini4	upstage/solar-mini4
Knowledge Cutoff API Details /knowledge_cutoff Explicit Null	Explicit Null
Links · Details API Details /links/details /api/v1/models/upstage/solar-mini4-20260922/endpoints	/api/v1/models/upstage/solar-mini4-20260922/endpoints
Name API Details /name Upstage: Solar Mini 4	Upstage: Solar Mini 4
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 0.0000002	0.0000002
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.000000005	0.000000005
Input Price · USD/Token API Details /pricing/prompt 0.00000005	0.00000005

Reasoning · 3

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

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 524288	524,288
Top Provider · Is Moderated API Details /top_provider/is_moderated False	False
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 131072	131,072

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
Benchmarks API Details /benchmarks Object · See Fields	Object · See Fields
Benchmarks · Artificial Analysis API Details /benchmarks/artificial_analysis Object · See Fields	Object · See Fields
Benchmarks · Design Arena API Details /benchmarks/design_arena 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
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

13 items · source order preserved

frequency_penalty
include_reasoning
max_tokens
parallel_tool_calls
presence_penalty
reasoning
reasoning_effort
response_format
structured_outputs
temperature
tool_choice
tools
top_p

API Details

Item	/supported_parameters/*
1	frequency_penalty
2	include_reasoning
3	max_tokens
4	parallel_tool_calls
5	presence_penalty
6	reasoning
7	reasoning_effort
8	response_format
9	structured_outputs
10	temperature
11	tool_choice
12	tools
13	top_p

Benchmarks · Design Arena

3 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	codecategories	1162	79	32.9
2	models	gamedev	1144	73	30.6
3	models	website	1162	83	33.4

API Details

Item	/benchmarks/design_arena/*/arena	/benchmarks/design_arena/*/category	/benchmarks/design_arena/*/elo	/benchmarks/design_arena/*/rank	/benchmarks/design_arena/*/win_rate
1	models	codecategories	1162	79	32.9
2	models	gamedev	1144	73	30.6
3	models	website	1162	83	33.4

Reasoning · Supported Efforts

7 items · source order preserved

max
xhigh
high
medium
low
minimal
none

API Details

Item	/reasoning/supported_efforts/*
1	max
2	xhigh
3	high
4	medium
5	low
6	minimal
7	none

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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