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| Attribute | GPT-6.1 Terragpt-6.1-terra | Speech 2.8 HDspeech-2.8-hd |
|---|---|---|
| Pricing | ||
| Input | $1.00 / 1M | — Not priced per input token |
| Output | $5.00 / 1M | — Not priced per output token |
| Cache Write (5m) | $1.00 / 1M | Not applicable |
| Cache Write (1h) | $1.00 / 1M | Not applicable |
| Cache Read | $1.00 / 1M | Not applicable |
| Web Search | $0 / 1M | $0 / 1M |
| Context | ||
| Max context | 1M | N/A |
| Max output | N/A | N/A |
| Capabilities | ||
| Vision | Yes | No |
| Function Calling | Yes | No |
| JSON Mode | Yes | No |
| Streaming | No | No |
| Catalogue | ||
| Provider | OpenAI | MiniMax |
| Category | chat | voice |
| Charge type | Pay As You Go | Pay As You Go |
| Released | — | 2026-07-16 |
| Description | ||
| Summary | GPT-6.1 Terra is OpenAI’s mid-tier model in the GPT-6.1 series, designed to balance capability, speed, and cost efficiency. Positioned below GPT-6.1 Sol, it delivers strong performance across everyday agentic workflows, coding, and professional writing, with particular strengths in screenshot understanding and on-screen content analysis. Optimized for high-volume production workloads, GPT-6.1 Terra is well suited for coding assistants, visual interface analysis, workflow automation, and scalable agentic applications that require reliable performance at an accessible cost. | MiniMax Speech 2.8 HD text-to-speech. Billed per input character; each Chinese (Han) character counts as 2. |