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.
- Claude Sonnet 5.5AnthropicRemove
- Perceptron Mk1.5PerceptronRemove
- Transcribe 1 ProFish AudioRemove
- Grok 4.20 BetaxAIRemove
4 is the maximum. Remove one to add another.
| Attribute | Claude Sonnet 5.5claude-sonnet-5.5 | Perceptron Mk1.5perceptron-mk1.5 | Transcribe 1 Protranscribe-1-pro | Grok 4.20 Betagrok-4.20-beta |
|---|---|---|---|---|
| Pricing | ||||
| Input | $2.00 / 1M | $0.15 / 1M | — Not priced per input token | $2.00 / 1M |
| Output | $10.00 / 1M | $1.50 / 1M | — Not priced per output token | $6.00 / 1M |
| Cache Write (5m) | $2.50 / 1M | $0.15 / 1M | Not applicable | $2.00 / 1M |
| Cache Write (1h) | $4.00 / 1M | $0.15 / 1M | Not applicable | $2.00 / 1M |
| Cache Read | $0.20 / 1M | $0.15 / 1M | Not applicable | $2.00 / 1M |
| Web Search | $0 / 1M | $0 / 1M | $0 / 1M | $0 / 1M |
| Context | ||||
| Max context | 1M | 36.9K | N/A | 2M |
| 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 | Anthropic | Perceptron | Fish Audio | xAI |
| 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 | Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, serving as a direct upgrade to Sonnet 5. It excels at feature development, bug fixing, and creating polished documents, presentations, and spreadsheets, while offering clearer writing and communication than its predecessor. | 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. | 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. |