G5
Active
GPT-5.4 Nano
Pricing
USD per 1M tokens
Input
$0.20
per 1M tokens
Output
$1.25
per 1M tokens
Cached input
$0.02
per 1M tokens
Capabilities
Spec
| Context window | 400,000 |
| Modalities | textvision |
| Endpoint | /v1/responses |
function_callingstructured_outputshigh_reasoningweb_searchfile_searchstreaming
Verified facts
Source-linked, per field
| Input price (per 1M tokens) | $0.2 | — |
| Output price (per 1M tokens) | $1.25 | — |
| Cached input price (per 1M tokens) | $0.02 | — |
| Context window | 400,000 tokens | — |
| Lifecycle | active | Source ↗ Jun 15 |
| Vision input | ✓ supported | — |
| Function calling | ✓ supported | — |
| Structured output (JSON schema) | ✓ supported | — |
| Prompt caching | ✓ supported | — |
Last verified Jun 15, 2026 08:11 UTC.
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Activity
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