GPT-5 Mini

GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost. GPT-5 Mini is the successor to OpenAI's o4-mini model.

openai/gpt-5-mini
Organization
OpenAI
Family
gpt-mini
Providers
35
Context
400,000
Output limit
128,000
Knowledge
2024-05-30
Release
2025-08-07
Updated
—
Weights
Closed
Input
text, image/jpeg, image/png, image/gif, image/webp
Output
text
Capabilities
—

Providers

Compare every cataloged offer for this model, including its provider, route, token limits, price, and capabilities.

40 offers · USD per million tokens
ProviderModel IDContextOutputInput / output · 1MReasoningToolsStructuredDetails
302.AI
gpt-5-mini
400,000128,000— / ————
View
Abacus
gpt-5-mini
400,000128,000— / ————
View
AI/ML API
openai/gpt-5-mini
400,000128,000— / ————
View
AnyAPI
openai/gpt-5-mini
400,000128,000— / ————
View
Cloudflare AI Gateway
openai/gpt-5-mini
128,000128,000— / ————
View
Cortecs
gpt-5-mini
400,000128,000— / ————
View
Databricks
databricks-gpt-5-mini
400,000128,000— / ————
View
DevPass (LLM Gateway)
gpt-5-mini
400,000128,000— / ————
View
DigitalOcean
openai-gpt-5-mini
400,000128,000— / ————
View
Eden AI
openai/gpt-5-mini
400,000128,000— / ————
View
FastRouter
openai/gpt-5-mini
400,000128,000— / ————
View
GitHub Copilot
gpt-5-mini
264,00064,000— / ————
View
GitLab Duo
duo-chat-gpt-5-mini
400,000128,000— / ————
View
Helicone
gpt-5-mini
400,000128,000— / ————
View
Impossibl
openai/gpt-5-mini
400,000128,000— / ————
View
Jiekou.AI
gpt-5-mini
400,000128,000— / ————
View
Kilo Gateway
openai/gpt-5-mini
400,000128,000— / ————
View
LLM Gateway
openai/gpt-5-mini
400,000128,000— / ————
View
LLM Gateway
azure/gpt-5-mini
400,000128,000— / ————
View
LowRouter
auto/openai/gpt-5-mini
400,000128,000— / ————
View
Merge Gateway
openai/gpt-5-mini
400,000128,000— / ————
View
NanoGPT
openai/gpt-5-mini
400,000128,000— / ————
View
NEAR AI Cloud
openai/gpt-5-mini
400,000128,000— / ————
View
Neon
gpt-5-mini
400,000128,000— / ————
View
Ofox
openai/gpt-5-mini
256,00032,768— / ————
View
Azurevia OpenRouter
openai/gpt-5-mini
unknown
400,000360,000$0.25 / $2.00YesYesYes
View
Azurevia OpenRouter
openai/gpt-5-mini
unknown
400,000360,000$0.275 / $2.20YesYesYes
View
OpenAIvia OpenRouter
openai/gpt-5-mini
unknown
400,000128,000$0.25 / $2.00YesYesYes
View
OpenAIvia OpenRouter
openai/gpt-5-mini
unknown
400,000128,000$0.125 / $1.00YesYesYes
View
OrcaRouter
openai/gpt-5-mini
400,000128,000— / ————
View
Perplexity Agent
openai/gpt-5-mini
400,000128,000— / ————
View
Poe
openai/gpt-5-mini
400,000128,000— / ————
View
Prime Inference
openai/gpt-5-mini
400,000128,000— / ————
View
QiHang
gpt-5-mini
200,00064,000— / ————
View
Requesty
gpt-5-mini@eu
200,000100,000— / ————
View
SAP AI Core
gpt-5-mini
400,000128,000— / ————
View
Snowflake Cortex
openai-gpt-5-mini
272,0008,192— / ————
View
Vercel AI Gateway
openai/gpt-5-mini
400,000128,000— / ————
View
Vercel AI Gateway
openai/gpt-5-mini-fast
400,000128,000— / ————
View
Vivgrid
gpt-5-mini
272,000128,000— / ————
View

Prices and limits apply to each offer. A dash means the value is not provided. OpenRouter offers show the hosting provider and routing channel separately.

Pricing

Compare token rates and cache charges across available routes and hosting configurations.

USD per million tokens
Input from$0.125Per 1M input tokens
Output from$1.00Per 1M output tokens
Available offers40Across 35 providers

Lowest listed input and output prices across the offers above; they may belong to different providers. These are base rates, before conditional pricing, discounts or additional fees.

Endpoint price comparisonLatest observed snapshot · 4 lowest-priced configurations
InputOutput
OpenAIopenai/flex
$0.125$1.00
Azureazure
$0.25$2.00
OpenAIopenai
$0.25$2.00
Azureazure/swedencentral
$0.275$2.20
openai/gpt-5-miniObserved
Input
$0.25
Output
$2.00
Cache read
$0.025
Additional fees and pricing conditions
web search
$0.01 / search
Hosting prices through OpenRouter All endpoints and cache rates
EndpointInput / 1MOutput / 1MCache read / 1MCache write / 1M
Azureazure$0.25$2.00$0.03—
Azureazure/swedencentral$0.275$2.20$0.033—
OpenAIopenai$0.25$2.00$0.025—
OpenAIopenai/flex$0.125$1.00$0.0125—

Each row is a hosting configuration. Open an offer in Providers for its full pricing conditions and additional fees. Endpoint observations may differ from the routing catalog's base price.

Performance

Review reported latency and output-throughput percentiles from the latest observed rolling window.

Latest 30-minute observation

Time to first token · milliseconds

Latency distributionRolling 30-minute snapshot · 4 endpoints
P50P75P90P99
Azureazure
4,418–20,113 ms
Azureazure/swedencentral
3,405–7,301.64 ms
OpenAIopenai
3,182–21,364.06 ms
OpenAIopenai/flex
1,097–12,031.28 ms
All latency percentiles 4 endpoints
EndpointP50P75P90P99
Azureazure4,418 ms6,674 ms9,927 ms20,113 ms
Azureazure/swedencentral3,405 ms4,435 ms7,026.6 ms7,301.64 ms
OpenAIopenai3,182 ms4,816 ms7,807.8 ms21,364.06 ms
OpenAIopenai/flex1,097 ms1,727 ms2,961 ms12,031.28 ms

Output throughput · tokens per second

Throughput distributionRolling 30-minute snapshot · 4 endpoints
P50P75P90P99
Azureazure
73–150 t/s
Azureazure/swedencentral
137–172.16 t/s
OpenAIopenai
125–176 t/s
OpenAIopenai/flex
71–193.18 t/s
All throughput percentiles 4 endpoints
EndpointP50P75P90P99
Azureazure73 t/s100 t/s123 t/s150 t/s
Azureazure/swedencentral137 t/s144 t/s163.2 t/s172.16 t/s
OpenAIopenai125 t/s143 t/s157 t/s176 t/s
OpenAIopenai/flex71 t/s87 t/s122.9 t/s193.18 t/s

Percentiles describe the observed request distribution. These are snapshots of a rolling window, not a historical time series.

Uptime

Compare successful request rates across the latest 5-minute, 30-minute, and 24-hour observations.

Successful requests by window
Availability by endpointCurrent overlapping windows · 4 endpoints
Endpoint5 minutes30 minutes24 hours
Azureazure
Azureazure/swedencentral
OpenAIopenai
OpenAIopenai/flex

Reported by OpenRouter at the time of collection; rate-limited requests are excluded. A dash means no measurement was reported. This is not a live availability check.

Benchmarks

Review attributed evaluation results on each source's original scale.

External evaluations
openai/gpt-5-miniObserved
Benchmark profileArtificial Analysis · shared source scale from 0 to 30
Intelligence20.6
Design ArenaCategoryEloWin rateRank
models3d1,04236.9%99
modelsasciiart1,13044.7%52
modelscodecategories1,11943.5%90
modelsdataviz1,13443.7%84
modelsgamedev1,13746.5%80
modelssvg1,09045.8%61
modelsuicomponent1,10941.9%84
modelswebsite1,12944.3%91

Sources: Artificial Analysis and Design Arena, via OpenRouter. Scores retain their original scales and are not OpenAI Suite ratings.

Detailed evaluations

Evaluation scoresAccuracy or item F1 · higher is better
gpqa diamondOpenAI: GPT-5 Mini
80.808%
tau bench verified airlineOpenAI: GPT-5 Mini
70%
EvaluationConfigurationSourceResultsDetails
models · codecategoriesGPT-5 mini (Default)openai/gpt-5-mini-2025-08-07Design Arena1,115 Elo
Details
models · 3dGPT-5 mini (Default)openai/gpt-5-mini-2025-08-07Design Arena1,037 Elo
Details
models · asciiartGPT-5 mini (Default)openai/gpt-5-mini-2025-08-07Design Arena1,125 Elo
Details
gpqa diamondOpenAI: GPT-5 Miniopenai/gpt-5-mini-2025-08-07OpenRouter80.808%
Details
models · gamedevGPT-5 mini (Default)openai/gpt-5-mini-2025-08-07Design Arena1,130 Elo
Details
models · svgGPT-5 mini (Default)openai/gpt-5-mini-2025-08-07Design Arena1,091 Elo
Details
models · datavizGPT-5 mini (Default)openai/gpt-5-mini-2025-08-07Design Arena1,131 Elo
Details
tau bench verified airlineOpenAI: GPT-5 Miniopenai/gpt-5-mini-2025-08-07OpenRouter70%
Details
models · uicomponentGPT-5 mini (Default)openai/gpt-5-mini-2025-08-07Design Arena1,103 Elo
Details
Composite indicesGPT-5 mini (Medium)openai/gpt-5-mini-2025-08-07Artificial AnalysisIntelligence 20.6 · Coding — · Agentic —
Details
models · websiteGPT-5 mini (Default)openai/gpt-5-mini-2025-08-07Design Arena1,125 Elo
Details

Sources: Artificial Analysis, Design Arena and OpenRouter. Evaluation configurations and scales differ; results are not interchangeable. Updated Oct 24, 2026.

Apps & session costs

Compare observed median session costs for applications using this model, grouped by conversation length.

30-day sample · through Oct 18, 2026
ApplicationModel routeTurnsMedian cost / sessionDetails
Hermes Agentopenai/gpt-5-mini-2025-08-0710–49 turns
$0.059431
Details
Hermes Agentopenai/gpt-5-mini-2025-08-071 turn
$0.003574
Details
Hermes Agentopenai/gpt-5-mini-2025-08-072–9 turns
$0.008735
Details

Source: OpenRouter, as of Oct 20, 2026. Published under CC BY 4.0. These are observed costs per session, not token prices or a forecast for your workload. Apps are compared separately.

Activity

Daily prompt and completion tokens reported for this model's routes in OpenRouter's top 50. Missing days have no published value.

Last 90 complete UTC days
Daily token usage515,210,396,186 reported tokens · 19 days with observations
Jul 26, 2026Oct 23, 2026
Daily observations · 19 days
Date (UTC)Reported tokensReported routes
Aug 25, 202631,703,400,0911
Aug 24, 202632,582,033,9611
Aug 23, 202623,384,597,8461
Aug 22, 202622,276,723,9991
Aug 21, 202635,028,143,4661
Aug 20, 202639,831,785,4241
Aug 19, 202627,874,837,4501
Aug 12, 202634,431,364,9681
Aug 11, 202631,707,360,4651
Aug 10, 202622,422,023,1421
Aug 9, 202617,234,135,3911
Aug 8, 202621,084,844,3351
Aug 7, 202626,721,769,0741
Aug 6, 202626,290,199,9331
Aug 4, 202629,347,174,2651
Aug 3, 202628,633,529,9771
Aug 1, 202618,329,857,2781
Jul 29, 202622,760,468,6891
Jul 28, 202623,566,146,4321

Source: OpenRouter (openrouter.ai/rankings), as of Oct 24, 2026. CC BY 4.0. Totals include only individually published routes. Tokenizers differ by provider; the aggregated “other” category is never assigned to a model.

Technical details & API

Explore specifications, supported parameters, reasoning controls, and API identifiers for each OpenRouter route.

Current route specifications
openai/gpt-5-miniObserved
Context
400,000
Maximum output
128,000
Tokenizer
GPT
Input
text, image, file
Output
text
Moderation
Yes
Knowledge cutoff
2024-05-31
Added to OpenRouter
2025-08-07
Base URLhttps://openrouter.ai/api/v1
Model IDopenai/gpt-5-mini
Version IDopenai/gpt-5-mini-2025-08-07

Reasoning

Required
Yes
Enabled by default
Not reported
Default effort
medium
Supported efforts
high, medium, low, minimal

Supported parameters

  • include_reasoning
  • max_completion_tokens
  • max_tokens
  • reasoning
  • reasoning_effort
  • response_format
  • seed
  • structured_outputs
  • tool_choice
  • tools
  • verbosity

Frequently asked questions

Answers based on the model metadata and serving offers currently in the catalog.

How much does GPT-5 Mini cost?

Listed rates start at $0.125 per million input tokens and $1.00 per million output tokens. Prices vary by provider and configuration; see Pricing for details.

Which providers offer GPT-5 Mini?

There are 40 cataloged offers across 35 providers. Compare model IDs, prices and limits in Providers.

What is the context window?

The cataloged model context is 400,000 tokens. Each serving endpoint may apply a different limit.

Does it support tools and structured output?

Tool calling: Not reported. Structured output: Not reported. Support can vary by endpoint.

Catalog history · 3 recorded revisions

Metadata observations since this model was first cataloged. These are not model release versions.

  • · 6f41dd18647f
  • · c658d1f99508
  • · 16eb66e40a79