Catalog Changes · 2026-10-13 03:21:36.987646

OpenAI: GPT-5 Nano · 2026-10-13 03:21:36.987646 UTC

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Kilo

First recorded baseline; no earlier history is available.

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OpenAI: GPT-5 Nano

openai/gpt-5-nano

Kilo Catalog Changes

Last Observed: 2026-10-13 03:21:36.987646 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 · 2

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

Catalog Identity And Metadata · 37

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...
Enkrypt · Bias Score API Details /enkrypt/bias_score 60.98	60.98
Enkrypt · Cbrn Score API Details /enkrypt/cbrn_score 2	2
Enkrypt · Evaluated At API Details /enkrypt/evaluatedAt Explicit Null	Explicit Null
Enkrypt · Evasion Score API Details /enkrypt/evasion_score Explicit Null	Explicit Null
Enkrypt · Freshness API Details /enkrypt/freshness fresh	fresh
Enkrypt · Harmful Score API Details /enkrypt/harmful_score 7.22	7.22
Enkrypt · Ingested At API Details /enkrypt/ingestedAt 2026-09-04T04:01:19.650Z	2026-09-04T04:01:19.650Z
Enkrypt · Insecure Code Score API Details /enkrypt/insecure_code_score 1.33	1.33
Enkrypt · Jailbreak Score API Details /enkrypt/jailbreak_score 1.85567	1.85567
Enkrypt · Last Checked At API Details /enkrypt/lastCheckedAt 2026-10-12T04:00:25.886Z	2026-10-12T04:00:25.886Z
Enkrypt · Model Name API Details /enkrypt/model_name gpt-5-nano	gpt-5-nano
Enkrypt · Nist Score API Details /enkrypt/nist_score 15	15
Enkrypt · Owasp Score API Details /enkrypt/owasp_score 18	18
Enkrypt · Provider API Details /enkrypt/provider openai	openai
Enkrypt · Risk Score API Details /enkrypt/risk_score 14.9257	14.9257
Enkrypt · Robustness Score API Details /enkrypt/robustness_score Explicit Null	Explicit Null
Enkrypt · Safety Score API Details /enkrypt/safety_score 14.334	14.334
Enkrypt · Source API Details /enkrypt/source OpenAI	OpenAI
Enkrypt · Stale After API Details /enkrypt/staleAfter 2026-10-13T06:00:25.886Z	2026-10-13T06:00:25.886Z
Enkrypt · Toxicity Score API Details /enkrypt/toxicity_score 3.09	3.09
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Id API Details /id openai/gpt-5-nano	openai/gpt-5-nano
Is Free API Details /isFree False	False
May Train On Your Prompts API Details /mayTrainOnYourPrompts False	False
Name API Details /name OpenAI: GPT-5 Nano	OpenAI: GPT-5 Nano
Opencode · Ai Sdk Provider API Details /opencode/ai_sdk_provider openai	openai
Opencode · Variants · High · Reasoning · Effort API Details /opencode/variants/high/reasoning/effort high	high
Opencode · Variants · High · Reasoning · Enabled API Details /opencode/variants/high/reasoning/enabled True	True
Opencode · Variants · Low · Reasoning · Effort API Details /opencode/variants/low/reasoning/effort low	low
Opencode · Variants · Low · Reasoning · Enabled API Details /opencode/variants/low/reasoning/enabled True	True
Opencode · Variants · Medium · Reasoning · Effort API Details /opencode/variants/medium/reasoning/effort medium	medium
Opencode · Variants · Medium · Reasoning · Enabled API Details /opencode/variants/medium/reasoning/enabled True	True
Opencode · Variants · Minimal · Reasoning · Effort API Details /opencode/variants/minimal/reasoning/effort minimal	minimal
Opencode · Variants · Minimal · Reasoning · Enabled API Details /opencode/variants/minimal/reasoning/enabled True	True

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 5

Output Price · USD/Token API Details /pricing/completion 0.0000004	0.0000004
Pricing · Discount API Details /pricing/discount 0	0
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
Pricing · Web Search API Details /pricing/web_search 0.01	0.01

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
Enkrypt API Details /enkrypt Object · See Fields	Object · See Fields
Opencode API Details /opencode Object · See Fields	Object · See Fields
Opencode · Variants API Details /opencode/variants Object · See Fields	Object · See Fields
Opencode · Variants · High API Details /opencode/variants/high Object · See Fields	Object · See Fields
Opencode · Variants · High · Reasoning API Details /opencode/variants/high/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Low API Details /opencode/variants/low Object · See Fields	Object · See Fields
Opencode · Variants · Low · Reasoning API Details /opencode/variants/low/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Medium API Details /opencode/variants/medium Object · See Fields	Object · See Fields
Opencode · Variants · Medium · Reasoning API Details /opencode/variants/medium/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Minimal API Details /opencode/variants/minimal Object · See Fields	Object · See Fields
Opencode · Variants · Minimal · Reasoning API Details /opencode/variants/minimal/reasoning Object · See Fields	Object · See Fields
Pricing API Details /pricing Object · See Fields	Object · See Fields
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

4 items · source order preserved

text
image
file
pdf

API Details

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

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

11 items · source order preserved

include_reasoning
max_completion_tokens
max_tokens
reasoning
reasoning_effort
response_format
seed
structured_outputs
tool_choice
tools
verbosity

API Details

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