Catalog Changes · 2026-10-15 06:04:01.828971

Upstage: Solar Mini 4 · 2026-10-15 06:04:01.828971 UTC

Current Model Listing

OpenRouter

9 Changed Fields

Field / Array Position Previous Value Observed Value
Benchmarks · Design Arena[0] · Elo 1170 1162
Benchmarks · Design Arena[0] · Rank 73 79
Benchmarks · Design Arena[0] · Win Rate 33.9 32.9
Benchmarks · Design Arena[1] · Elo 1151 1144
Benchmarks · Design Arena[1] · Rank 71 73
Benchmarks · Design Arena[1] · Win Rate 31.5 30.6
Benchmarks · Design Arena[2] · Elo 1172 1162
Benchmarks · Design Arena[2] · Rank 77 83
Benchmarks · Design Arena[2] · Win Rate 34.7 33.4
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Upstage: Solar Mini 4

upstage/solar-mini4

OpenRouter Catalog Changes

Last Observed: 2026-10-15 06:04:01.828971 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...

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