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| Attribute | Gemini 3.5 Transcribegemini-3.5-transcribe | GPT-5.6 Terragpt-5.6-terra |
|---|---|---|
| Pricing | ||
| Input | — Not priced per input token | $2.00 / 1M |
| Output | — Not priced per output token | $12.00 / 1M |
| Cache Write (5m) | Not applicable | $2.00 / 1M |
| Cache Write (1h) | Not applicable | $2.00 / 1M |
| Cache Read | Not applicable | $2.00 / 1M |
| Web Search | $0 / 1M | $0 / 1M |
| Context | ||
| Max context | 98.3K | 1M |
| Max output | N/A | N/A |
| Capabilities | ||
| Vision | Yes | Yes |
| Function Calling | Yes | Yes |
| JSON Mode | No | Yes |
| Streaming | No | Yes |
| Catalogue | ||
| Provider | OpenAI | |
| Category | voice | chat |
| Charge type | Pay As You Go | Pay As You Go |
| Released | 2026-09-25 | — |
| Description | ||
| Summary | Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token. | GPT-5.6 Terra is the balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is designed for everyday coding, reasoning, and agentic workflows, delivering strong performance while balancing capability and cost. Offering near-flagship quality at approximately half the cost of Sol, GPT-5.6 Terra is well suited for production applications that require reliable reasoning, software development, and scalable agent execution. |