Catalog Changes · 2026-10-14 18:04:45.008517

OpenAI: GPT-5 Nano (batch) · 2026-10-14 18:04:45.008517 UTC

OpenRouter

8 Changed Fields

Field / Array Position	Previous Value	Observed Value
Benchmarks · Design Arena[0] · Elo	966	964
Benchmarks · Design Arena[0] · Rank	114	115
Benchmarks · Design Arena[1] · Elo	1087	1086
Benchmarks · Design Arena[1] · Rank	103	104
Benchmarks · Design Arena[3] · Elo	1049	1048
Benchmarks · Design Arena[3] · Rank	108	109
Benchmarks · Design Arena[5] · Elo	1104	1103
Benchmarks · Design Arena[5] · Rank	103	104

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OpenAI: GPT-5 Nano (batch)

openai/gpt-5-nano:batch

OpenRouter Catalog Changes

Last Observed: 2026-10-15 00:04:08.466709 UTC

GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...

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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+image+file->text	text+image+file->text
Architecture · Tokenizer API Details /architecture/tokenizer GPT	GPT

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 13	13

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug openai/gpt-5-nano-2025-08-07	openai/gpt-5-nano-2025-08-07
Context Tokens API Details /context_length 400000	400,000
Created API Details /created 1754587402	2025-08-07 17:23:22 UTC
Description API Details /description GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...	GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id Empty String	Empty String
Id API Details /id openai/gpt-5-nano:batch	openai/gpt-5-nano:batch
Knowledge Cutoff API Details /knowledge_cutoff 2024-05-31	2024-05-31
Links · Details API Details /links/details /api/v1/models/openai/gpt-5-nano-2025-08-07/endpoints	/api/v1/models/openai/gpt-5-nano-2025-08-07/endpoints
Name API Details /name OpenAI: GPT-5 Nano (batch)	OpenAI: GPT-5 Nano (batch)
Supported Voices API Details /supported_voices Explicit Null	Explicit Null

Default Parameters · 6

Default Parameters · Frequency Penalty API Details /default_parameters/frequency_penalty Explicit Null	Explicit Null
Default Parameters · Presence Penalty API Details /default_parameters/presence_penalty Explicit Null	Explicit Null
Default Parameters · Repetition Penalty API Details /default_parameters/repetition_penalty Explicit Null	Explicit Null
Default Parameters · Temperature API Details /default_parameters/temperature Explicit Null	Explicit Null
Default Parameters · Top K API Details /default_parameters/top_k 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 · 4

Output Price · USD/Token API Details /pricing/completion 0.0000002	0.0000002
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.0000000025	0.0000000025
Input Price · USD/Token API Details /pricing/prompt 0.000000025	0.000000025
Pricing · Web Search API Details /pricing/web_search 0.01	0.01

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 400000	400,000
Top Provider · Is Moderated API Details /top_provider/is_moderated True	True
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 128000	128,000

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
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

3 items · source order preserved

text
image
file

API Details

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

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

10 items · source order preserved

include_reasoning
max_tokens
reasoning
reasoning_effort
response_format
seed
structured_outputs
tool_choice
tools
verbosity

API Details

Item	/supported_parameters/*
1	include_reasoning
2	max_tokens
3	reasoning
4	reasoning_effort
5	response_format
6	seed
7	structured_outputs
8	tool_choice
9	tools
10	verbosity

Benchmarks · Design Arena

6 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	3d	964	115	36.3
2	models	codecategories	1086	104	48
3	models	dataviz	1057	106	46.2
4	models	gamedev	1048	109	46.5
5	models	uicomponent	1068	100	51.9
6	models	website	1103	104	48.9

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	964	115	36.3
2	models	codecategories	1086	104	48
3	models	dataviz	1057	106	46.2
4	models	gamedev	1048	109	46.5
5	models	uicomponent	1068	100	51.9
6	models	website	1103	104	48.9

Reasoning · Supported Efforts

4 items · source order preserved

high
medium
low
minimal

API Details

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