G5
Active
GPT-5.5 Pro
Pricing
USD per 1M tokens
Input
$30.00
per 1M tokens
Output
$180.00
per 1M tokens
Cached input
—
per 1M tokens
Capabilities
Spec
| Context window | 1,050,000 |
| Modalities | textvision |
| Endpoint | /v1/responses |
function_callingstructured_outputshighest_reasoningweb_searchfile_searchcode_interpreter
Verified facts
Source-linked, per field
| Input price (per 1M tokens) | $30 | — |
| Output price (per 1M tokens) | $180 | — |
| Context window | 1,050,000 tokens | — |
| Lifecycle | active | Source ↗ Jun 15 |
| Vision input | ✓ supported | — |
| Function calling | ✓ supported | — |
| Structured output (JSON schema) | ✓ supported | — |
Last verified Jun 15, 2026 06:23 UTC.
Each value links to the provider page it was extracted from.
Activity
Change timeline
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