GPT-5.5 Long Context pricing
GPT-5.5 Long Context, Flagship-tier from Azure OpenAI Service, costs $10.00 per 1M input tokens and $45.00 per 1M output tokens.
Input$10.00per 1M tokens
Output$45.00per 1M tokens
Context window—tokens
TierFlagshipAzure OpenAI Service
Price your own workload against GPT-5.5 Long Context in the calculator →
Specs and pricing
| Provider | Azure OpenAI Service |
| Tier | Flagship |
| Context window | — |
| Max output | — |
| Input price | $10.00 / 1M tokens |
| Output price | $45.00 / 1M tokens |
| Cache read | $1.00 / 1M tokens |
| Modalities | text |
Note. Global Standard tier, long-context row; USD per 1M tokens as published.
What it costs at realistic volumes
Assuming a 4:1 input:output token ratio, a common shape for chat and RAG-style workloads:
| Volume (4:1 in:out ratio) | Input cost | Output cost | Total / month |
|---|---|---|---|
| 1,000,000 in / 250,000 out | $10.00 | $11.25 | $21.25 |
| 10,000,000 in / 2,500,000 out | $100.00 | $112.50 | $212.50 |
| 100,000,000 in / 25,000,000 out | $1,000 | $1,125 | $2,125 |
Cheaper alternatives
Same tier (Flagship), a different provider, and a lower blended cost at the 4:1 ratio used above:
| Model | Provider | $/1M in | $/1M out | At the 4:1 ratio |
|---|---|---|---|---|
| Qwen3 235B A22B Instruct 2507 | Novita AI | $0.09 | $0.58 | 98.9% cheaper blended |
| GPT-OSS 120B | Groq | $0.15 | $0.60 | 98.6% cheaper blended |
| Qwen3 235B-A22B (2507) | Parasail | $0.14 | $0.80 | 98.4% cheaper blended |
| Llama 4 Maverick | Together AI | $0.27 | $0.85 | 97.7% cheaper blended |
| Llama 4 Maverick Instruct | Novita AI | $0.27 | $0.85 | 97.7% cheaper blended |