Catalog Changes · 2026-10-14 06:02:33.702896

OpenAI: gpt-oss-120b · 2026-10-14 06:02:33.702896 UTC

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4 Changed Fields

Field / Array Position	Previous Value	Observed Value
Output Price · USD/Token	0.0000006	0.00000017
Pricing · Input Cache Read	0.000000075	Not Reported
Input Price · USD/Token	0.00000015	0.000000037
Top Provider · Max Completion Tokens	65536	117964

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OpenAI: gpt-oss-120b

openai/gpt-oss-120b

OpenRouter Catalog Changes

Last Observed: 2026-10-14 12:02:52.448677 UTC

gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...

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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 GPT	GPT

Benchmarks · 3

Benchmarks · Artificial Analysis · Agentic Index API Details /benchmarks/artificial_analysis/agentic_index 3.7	3.7
Benchmarks · Artificial Analysis · Coding Index API Details /benchmarks/artificial_analysis/coding_index 30.4	30.4
Benchmarks · Artificial Analysis · Intelligence Index API Details /benchmarks/artificial_analysis/intelligence_index 11.6	11.6

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug openai/gpt-oss-120b	openai/gpt-oss-120b
Context Tokens API Details /context_length 131072	131,072
Created API Details /created 1754414231	2025-08-05 17:17:11 UTC
Description API Details /description gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...	gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases.… gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id openai/gpt-oss-120b	openai/gpt-oss-120b
Id API Details /id openai/gpt-oss-120b	openai/gpt-oss-120b
Knowledge Cutoff API Details /knowledge_cutoff 2024-06-30	2024-06-30
Links · Details API Details /links/details /api/v1/models/openai/gpt-oss-120b/endpoints	/api/v1/models/openai/gpt-oss-120b/endpoints
Name API Details /name OpenAI: gpt-oss-120b	OpenAI: gpt-oss-120b
Supported Voices API Details /supported_voices Explicit Null	Explicit Null

Default Parameters · 3

Default Parameters · Frequency Penalty API Details /default_parameters/frequency_penalty Explicit Null	Explicit Null
Default Parameters · Temperature API Details /default_parameters/temperature Explicit Null	Explicit Null
Default Parameters · Top P API Details /default_parameters/top_p Explicit Null	Explicit Null

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 2

Output Price · USD/Token API Details /pricing/completion 0.00000017	0.00000017
Input Price · USD/Token API Details /pricing/prompt 0.000000037	0.000000037

Reasoning · 2

Reasoning · Default Effort API Details /reasoning/default_effort medium	medium
Reasoning · Mandatory API Details /reasoning/mandatory True	True

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 131072	131,072
Top Provider · Is Moderated API Details /top_provider/is_moderated False	False
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 117964	117,964

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

21 items · source order preserved

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

API Details

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

Benchmarks · Design Arena

6 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	3d	902	117	29.4
2	models	codecategories	966	126	33.4
3	models	dataviz	989	115	43.6
4	models	gamedev	997	116	40.5
5	models	uicomponent	929	120	35.7
6	models	website	970	129	32.5

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	3d	902	117	29.4
2	models	codecategories	966	126	33.4
3	models	dataviz	989	115	43.6
4	models	gamedev	997	116	40.5
5	models	uicomponent	929	120	35.7
6	models	website	970	129	32.5

Reasoning · Supported Efforts

3 items · source order preserved

high
medium
low

API Details

Item	/reasoning/supported_efforts/*
1	high
2	medium
3	low