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.
| Attribute | Aura-2aura-2 | GPT-6 Luna Progpt-6-luna-pro | Perceptron Mk1.5perceptron-mk1.5 |
|---|---|---|---|
| Pricing | |||
| Input | $0 / 1M | $0.10 / 1M | $0.15 / 1M |
| Output | $0 / 1M | $0.50 / 1M | $1.50 / 1M |
| Cache Write (5m) | Not applicable | $0.10 / 1M | $0.15 / 1M |
| Cache Write (1h) | Not applicable | $0.10 / 1M | $0.15 / 1M |
| Cache Read | Not applicable | $0.10 / 1M | $0.15 / 1M |
| Web Search | $0 / 1M | $0 / 1M | $0 / 1M |
| Context | |||
| Max context | N/A | 1.1M | 36.9K |
| Max output | N/A | N/A | N/A |
| Capabilities | |||
| Vision | No | Yes | No |
| Function Calling | No | Yes | No |
| JSON Mode | No | Yes | No |
| Streaming | No | Yes | Yes |
| Catalogue | |||
| Provider | Deepgram | OpenAI | Perceptron |
| Category | voice | chat | chat |
| Charge type | Pay As You Go | Pay As You Go | Pay As You Go |
| Released | 2026-07-16 | — | 2026-09-25 |
| Description | |||
| Summary | Deepgram Aura-2 text-to-speech for real-time voice applications. Billed per input character. | GPT-6 Luna Pro uses the same underlying model as GPT-6 Luna, but runs with reasoning.mode set to pro for higher-quality responses on complex tasks. It combines Luna's speed and cost efficiency with deeper reasoning and more reliable multi-step execution, making it well suited for advanced coding, computer use, and agentic workflows where higher solution quality is needed without moving to a larger GPT-6 tier. | Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token. |