OpenAI: GPT-5 Nano

Released Aug 7, 2025

openai/gpt-5-nano

text+image+file→text

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Ranked in:Text Vision

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OpenRouter

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...

Best overall rank

#79

Across all subsets · overall

Total arena votes

53,032

Across 31 (subset, category) entries

Providers on OR

Azure + others

First seen

2026-05-08

26 days tracked

Trend

Pricing

Per token

Input (per 1M): $0.050
Output (per 1M): $0.400
Cache Read (per 1M): $0.010

Per unit

Web search: $0.010/call

Capabilities

Modality

text+image+file->text

Context

400K tokens

Tokenizer

GPT

Knowledge cutoff

2024-05-31

Moderation

Unmoderated

Supported parameters

include_reasoning

max_completion_tokens

max_tokens

reasoning

response_format

seed

structured_outputs

tool_choice

tools

Providers

Provider	Region / Tag	Context	Input/M	Output/M	Uptime 1d	Latency	Quant	Cache
Azure	`azure`	400K	$0.050	$0.400	99.96%	-	-	-
OpenAI	`openai`	400K	$0.050	$0.400	98.21%	-	-	✓
Azure	`azure/swedencentral`	400K	$0.050	$0.400	-	-	-	-

Per-category ranks

Text

Rank	Category	Variant	Elo	Votes
#117	Spanish	high	1381	206
#135	German	high	1352	202
#155	Korean	high	1274	216
#157	Chinese	high	1379	384
#164	Expert	high	1354	324
#164	Industry Mathematical	high	1354	439
#168	Math	high	1345	494
#169	Industry Medicine And Healthcare	high	1359	480
#175	Instruction Following	high	1326	2,028
#178	Hard Prompts	high	1354	3,813
#179	Hard Prompts English	high	1367	1,975
#180	Industry Business And Management And Financial Operations	high	1335	1,536
#181	Coding	high	1382	1,684
#181	Industry Software And It Services	high	1372	2,886
#182	Exclude Ties	high	1292	5,991
#183	Overall	high	1337	8,270
#190	Industry Life And Physical And Social Science	high	1346	1,321
#190	Russian	high	1313	483
#194	Multi Turn	high	1323	1,456
#197	Longer Query	high	1329	1,620
#198	English	high	1344	4,012
#210	Industry Legal And Government	high	1328	471
#212	Industry Entertainment And Sports And Media	high	1277	1,373
#222	Industry Writing And Literature And Language	high	1290	1,738
#243	Creative Writing	high	1248	915

Vision

Rank	Category	Variant	Elo	Votes
#58	Humor	high	1100	179
#63	Homework	high	1185	272
#72	Ocr	high	1158	1,714
#74	Diagram	high	1156	527
#79	English	high	1155	1,996
#79	Overall	high	1148	4,027

Provider

Region / Tag

Context

Input/M

Output/M

Uptime 1d

Latency

Quant

Cache

Azure

azure

400K

$0.050

$0.400

99.96%

OpenAI

openai

400K

$0.050

$0.400

98.21%

✓

Azure

azure/swedencentral

400K

$0.050

$0.400

Per-category ranks

Text

Rank	Category	Variant	Elo	Votes
#117	Spanish	high	1381	206
#135	German	high	1352	202
#155	Korean	high	1274	216
#157	Chinese	high	1379	384
#164	Expert	high	1354	324
#164	Industry Mathematical	high	1354	439
#168	Math	high	1345	494
#169	Industry Medicine And Healthcare	high	1359	480
#175	Instruction Following	high	1326	2,028
#178	Hard Prompts	high	1354	3,813
#179	Hard Prompts English	high	1367	1,975
#180	Industry Business And Management And Financial Operations	high	1335	1,536
#181	Coding	high	1382	1,684
#181	Industry Software And It Services	high	1372	2,886
#182	Exclude Ties	high	1292	5,991
#183	Overall	high	1337	8,270
#190	Industry Life And Physical And Social Science	high	1346	1,321
#190	Russian	high	1313	483
#194	Multi Turn	high	1323	1,456
#197	Longer Query	high	1329	1,620
#198	English	high	1344	4,012
#210	Industry Legal And Government	high	1328	471
#212	Industry Entertainment And Sports And Media	high	1277	1,373
#222	Industry Writing And Literature And Language	high	1290	1,738
#243	Creative Writing	high	1248	915

Vision

Rank	Category	Variant	Elo	Votes
#58	Humor	high	1100	179
#63	Homework	high	1185	272
#72	Ocr	high	1158	1,714
#74	Diagram	high	1156	527
#79	English	high	1155	1,996
#79	Overall	high	1148	4,027