silvamux/gpt-5.4
Supported modalities
text
Input price$2.5-5per 1M tokens
Output price$15-22.5per 1M tokens

Pricing

Tiers are determined by the input context length of each request; Tune and Pro share the same tiered prices.

Unit: per 1M tokens
Input contextInputOutputCache readCache write
≤ 270K tokens$2.5$15$0.25$2.5
> 270K tokens$5$22.5$0.5$5

Capabilities

Evaluation data not available yet

Performance

Performance data not available yet

Gpt 5.4 example code and API

Progpt-5.4
/api/v0/chat/completions/api/v1/responses
UnifiedOpenAI Responses
curl https://silvamux.io/api/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.4",
    "messages": [{"role": "user", "content": "Hello, please introduce yourself"}]
  }'