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GPT-5 nano on Vidman AI

gpt-5-nano

266K context125K max outputVisionTool callingCachingalways reasoning

Pricing

₹ per 1M tokens · as of 16 October 2026
Input₹4.80
Output₹38
Cached input₹0.48

Flat rate: every request bills the same. Rupee prices convert at the platform exchange rate billing uses (₹96/USD today). Full catalog and comparisons on the pricing comparison page.

About this model

OpenAI's fastest, cheapest version of GPT-5, great for summarization and classification tasks.

Not sure? Vidman AI Adaptive routes to the best model per request, including this one.

Model specifications

API data
Modality
Multimodal
Context
2,72,000 tokens
Maximum output
1,28,000 tokens
Reasoning
Always
Effort levels
minimal, low, medium, high
Default effort
medium
Caching
Automatic
Cache minimum
None
Cache TTL
Provider managed
Route
Vidman AI managed

From the serverless catalog, fetched 16 October 2026.

Measured performance

API observations over 7d; not an SLA.

22 sampled requests
TTFT p50
800 ms
TTFT p95
3,000 ms
Throughput p50
1 tok/s
Throughput average
0 tok/s
Call it now: OpenAI-compatible
curl https://api.vidman.ai/v1/chat/completions \
  -H "x-api-key: $VIDMAN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5-nano",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'

Existing OpenAI SDK code works by changing the base URL to https://api.vidman.ai/v1 and the key.

Model card

GPT-5 nano is OpenAI's fastest, cheapest version of GPT-5. It is great for summarization and classification tasks. For most new speed- and cost-sensitive workloads, OpenAI recommends starting with GPT-5.6 Luna.

Model details

Property Value
Developer OpenAI
Model ID gpt-5-nano
OpenAI default snapshot gpt-5-nano-2025-08-07
Input Text, image
Output Text
Max output tokens 128,000
Knowledge cutoff May 31, 2024
Reasoning Yes

*Details above are from OpenAI's official model page.