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GPT-5 Nano

Tiny GPT-5 lane for routing, extraction, classification, and bulk jobs

Source-linked gpt-nano Closed weights Released 2025-08-07
API data Report
Input modalitiesT
Output modalitiesT
Input price$0.05/1M tokens
Output price$0.4/1M tokens
Context window400K
Max output128K
Overview

Capabilities and specifications

✓ Reasoning Yes
✓ Tool calling Yes
✓ Structured output Yes
✓ Attachments Yes
✓ Vision input Yes
× Open weights No
Creator
OpenAI
Model family
gpt-nano
Knowledge cutoff
2024-05-30
License
Not documented
Release date
2025-08-07
Model ID
openai/gpt-5-nano
Inference availability

Provider pricing and availability

Provider-specific identifiers, limits, and prices per million tokens.

Report a price
Providers offering GPT-5 Nano
ProviderProvider model IDContextInputOutputCache readCapabilitiesSource
Snowflake Cortex openai-gpt-5-nano 400K Not listed Not listed - ReasoningToolsJSON Docs
Poe openai/gpt-5-nano 400K $0.045 $0.36 $0.004 ReasoningTools Docs
Requesty openai/gpt-5-nano 16K $0.05 $0.4 $0.01 ReasoningTools Docs
Vercel AI Gateway openai/gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
OpenAI gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
Merge Gateway openai/gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
OrcaRouter openai/gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
NEAR AI Cloud openai/gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
Pioneer gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
LLM Gateway gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
Abacus gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
Azure gpt-5-nano 400K $0.05 $0.4 $0.01 ReasoningTools Docs
OpenCode Zen gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
Kilo Gateway openai/gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningTools Docs
OpenRouter openai/gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
Databricks databricks-gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs
FastRouter openai/gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningTools Docs
Azure Cognitive Services gpt-5-nano 400K $0.05 $0.4 $0.01 ReasoningTools Docs
NanoGPT openai/gpt-5-nano 400K $0.05 $0.4 - Reasoning Docs
Neon gpt-5-nano 400K $0.05 $0.4 $0.005 ReasoningToolsJSON Docs

Capability badges appear only when the provider catalog explicitly lists support.

Serving quality

Performance and reliability

Observed serving measurements stay separate from model specifications and are never estimated from price or model size.

Throughput Not reported

Generation speed; higher is faster.

Latency / TTFT Not reported

Time until the first output token arrives.

Uptime Not reported

Successful requests over a measured period.

Performance varies by inference provider, region, and load. Provider-level measurements appear only when a source reports them.

Published evaluations

Benchmarks

Raw results remain attached to their original source and version.

Benchmark registry
Design Arena: 3d - Unversioned - eloTop 8 reported models
Kimi K3
1456.0
Claude Opus 5
1384.0
Anthropic: Claude Fable 5 (batch)
1373.0
Claude Fable 5
1373.0
Z.ai: GLM 5.2
1366.0
Z.ai: GLM 5.1
1336.0
Anthropic: Claude Opus 4.6 (batch)
1332.0
GPT-5 Nano
1021.0
Design Arena: codecategories - Unversioned - eloTop 8 reported models
Kimi K3
1418.0
Claude Opus 5
1358.0
Z.ai: GLM 5.2
1346.0
Anthropic: Claude Fable 5 (batch)
1340.0
Claude Fable 5
1340.0
Anthropic: Claude Opus 4.6 (batch)
1324.0
Anthropic: Claude Opus 4.6
1324.0
GPT-5 Nano
1115.0
Design Arena: dataviz - Unversioned - eloTop 8 reported models
Kimi K3
1382.0
Claude Opus 5
1378.0
Z.ai: GLM 5.1
1366.0
Google: Gemini 3.6 Flash (batch)
1350.0
Gemini 3.6 Flash
1350.0
Anthropic: Claude Fable 5 (batch)
1349.0
Claude Fable 5
1349.0
GPT-5 Nano
1089.0
Design Arena: gamedev - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1393.0
Claude Fable 5
1393.0
Z.ai: GLM 5.2
1358.0
Anthropic: Claude Sonnet 5 (batch)
1352.0
Claude Sonnet 5
1352.0
OpenAI: GPT-5.5 (batch)
1345.0
GPT-5.5
1345.0
GPT-5 Nano
1102.0
Design Arena: uicomponent - Unversioned - eloTop 8 reported models
Kimi K3
1413.0
Claude Opus 5
1406.0
Anthropic: Claude Fable 5 (batch)
1350.0
Claude Fable 5
1350.0
Anthropic: Claude Opus 4.7 (batch)
1339.0
Anthropic: Claude Opus 4.7
1339.0
Z.ai: GLM 5.2
1334.0
GPT-5 Nano
1103.0
Design Arena: website - Unversioned - eloTop 8 reported models
Kimi K3
1375.0
Claude Opus 5
1343.0
Z.ai: GLM 5.2
1340.0
Anthropic: Claude Fable 5 (batch)
1323.0
Claude Fable 5
1323.0
xAI: Grok 4.5
1323.0
Google: Gemini 3.6 Flash (batch)
1322.0
GPT-5 Nano
1126.0
Catalog activity

Recent record changes

Detected changes from successful source imports.

Full change log
Price Completion0.39999999999999997 → 0.4
Price Prompt0.049999999999999996 → 0.05
Price Completion0.4 → 0.39999999999999997
Price Prompt0.05 → 0.049999999999999996
Price Completion0.39999999999999997 → 0.4
Price Prompt0.049999999999999996 → 0.05
Price Completion0.4 → 0.39999999999999997
Price Prompt0.05 → 0.049999999999999996
Public API

Use this record

Fetch the complete source-linked model record without an API key.

API documentation
Endpoint
GET https://www.modelbench.lol/api/v1/models/openai/gpt-5-nano
curl
curl "https://www.modelbench.lol/api/v1/models/openai/gpt-5-nano"