Compare models
Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.
- Grok 4.20 BetaxAIRemove
- Perceptron Mk1.5PerceptronRemove
- Transcribe 1 ProFish AudioRemove
- GPT-6.1 SolOpenAIRemove
4 is the maximum. Remove one to add another.
| Attribute | Grok 4.20 Betagrok-4.20-beta | Perceptron Mk1.5perceptron-mk1.5 | Transcribe 1 Protranscribe-1-pro | GPT-6.1 Solgpt-6.1-sol |
|---|---|---|---|---|
| Pricing | ||||
| Input | $2.00 / 1M | $0.15 / 1M | — Not priced per input token | $2.00 / 1M |
| Output | $6.00 / 1M | $1.50 / 1M | — Not priced per output token | $10.00 / 1M |
| Cache Write (5m) | $2.00 / 1M | $0.15 / 1M | Not applicable | $2.00 / 1M |
| Cache Write (1h) | $2.00 / 1M | $0.15 / 1M | Not applicable | $2.00 / 1M |
| Cache Read | $2.00 / 1M | $0.15 / 1M | Not applicable | $2.00 / 1M |
| Web Search | $0 / 1M | $0 / 1M | $0 / 1M | $0 / 1M |
| Context | ||||
| Max context | 2M | 36.9K | N/A | 1M |
| Max output | N/A | N/A | N/A | N/A |
| Capabilities | ||||
| Vision | Yes | No | No | Yes |
| Function Calling | Yes | No | No | Yes |
| JSON Mode | Yes | No | No | Yes |
| Streaming | Yes | Yes | No | Yes |
| Catalogue | ||||
| Provider | xAI | Perceptron | Fish Audio | OpenAI |
| Category | chat | chat | voice | chat |
| Charge type | Pay As You Go | Pay As You Go | Pay As You Go | Pay As You Go |
| Released | — | 2026-09-25 | 2026-09-24 | — |
| Description | ||||
| Summary | Grok 4.20 Beta is xAI's newest flagship model, designed for high-performance reasoning with industry-leading speed and strong agentic tool-calling capabilities. It emphasizes strict prompt adherence and low hallucination rates, enabling highly reliable and precise responses across complex tasks. Optimized for agent workflows and real-time applications, Grok 4.20 Beta delivers consistent, truthful outputs while maintaining fast inference and strong task execution reliability. | Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token. | Fish Audio Transcribe 1 Pro speech-to-text with speaker labels; transcripts include speaker tags such as <|speaker:0|>. Billed per second of audio. | GPT-6.1 Sol is an upgraded high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra. It is optimized for agentic coding, computer use, document-heavy professional work, and multi-step business automation, delivering near-Astra-level capability at significantly lower cost. Compared with GPT-6 Sol, it offers improved factual reliability and stronger adherence to explicit constraints and user intent, making it well suited for complex, long-running agentic workflows where accurate and dependable execution is critical. |