OpenAIVerified Active: September 4, 2026
GPT-5.5 MiniAPI Pricing & Specifications
Cost-optimized, lightning-fast model for high-throughput production pipelines.
📊 Core Specifications & Pricing Rates
Standard Input
$0.15 / 1M tokens
Standard Output
$0.60 / 1M tokens
Cached Input
$0.0750 / 1M tokens
Context Window
128K (131,072 tokens)
Max Output Tokens
16,384 tokens
Supported Capabilities:✓ Vision✓ Function Calling / Tools✓ JSON ModeStandard Inference
📦 Asynchronous Batch API Supported: Official provider documentation offers a 50% discount on non-streaming 24h batch requests.
Live Workload Cost Estimator: GPT-5.5 Mini
Adjust token volumes to simulate your exact monthly API bill.
Estimated 60% repeated context
Estimated Total Monthly Cost
Compare All Models in Calculator→$9.94/ month
$0.00040 per API request(Saves $1.69/mo with caching)
💡 Estimated Monthly Workload Scenarios
Customer Support Triage
$12.00/mo50,000 ticket classifications (1,000 input, 150 output)
50,000 requests • 1000 in / 150 out
⚖️ Head-to-Head Competitor Comparisons
GPT-5.5 Mini vs. Gemini 3.8 Flash
GPT-5.5 Mini has lower base rates ($0.15 vs $0.75), while Gemini 3.8 Flash provides 8x larger context (1M tokens) with native audio support.
GPT-5.5 Mini is 5x cheaper base inputView Gemini 3.8 Flash →
📜 Historical Price Changes & Updates
2026-06-30
GPT-5.5 Mini released at $0.15 input / $0.60 output per 1M tokens.
🔗 Verified Primary Sources
All pricing, token limits, and capabilities are cross-checked against official provider documentation and live API endpoints.