GPT-5.5 Pro
opper/openai/gpt-5.5-pro · family gpt-pro · in: text, image, pdf → out: text · price provider-declared (via models.dev). Capabilities: tools reasoning text image pdf.
$67.50
Blended $/1M (3:1)
$30
Input $/1M
$180
Output $/1M
$210.00
1M in + 1M out
—
Cache read $/1M
#6807 of 6,829
Cheapest rank
- Provider
- Opper (
opper) - Kind
- text (outputs text)
- Context
- 1,050,000 tokens
- Max output
- 128,000 tokens
- Capabilities
- tools reasoning text image pdf
Same model, other providers
“GPT-5.5 Pro” is offered by 16 providers — cheapest-effective first. Requesty is the cheapest at $60.75 blended.
| Provider | Input | Output | Blended | Context |
|---|---|---|---|---|
| Requesty | $27 | $162 | $60.75 | 1.1M |
| Opper (this) | $30 | $180 | $67.50 | 1.1M |
| OrcaRouter | $30 | $180 | $67.50 | 1.1M |
| Impossibl | $30 | $180 | $67.50 | 1.1M |
| OpenRouter | $30 | $180 | $67.50 | 1.1M |
| CrossModel | $30 | $180 | $67.50 | 1.1M |
| OpenAI | $30 | $180 | $67.50 | 1.1M |
| Cloudflare AI Gateway | $30 | $180 | $67.50 | 1.1M |
| FastRouter | $30 | $180 | $67.50 | 1.1M |
| ZenMux | $30 | $180 | $67.50 | 1.1M |
| Neon | $30 | $180 | $67.50 | 1.1M |
| OpenCode Zen | $30 | $180 | $67.50 | 1.1M |
| Eden AI | $30 | $180 | $67.50 | 1.1M |
Call it
jishie indexes & prices models; it does not proxy inference.
Most providers are OpenAI-compatible — point base_url at Opper and pass this model id:
curl $BASE_URL/v1/chat/completions \
-H "Authorization: Bearer $API_KEY" -H "Content-Type: application/json" \
-d '{"model":"openai/gpt-5.5-pro","messages":[{"role":"user","content":"hello"}]}'
Route programmatically with MCP find_model / get_model, or fetch this record free (no wallet):