Perceptron Mk1.5
Image, video, and audio understanding with visual grounding, reasoning, and function calling.
- Capability
- —No ECI score yet
- Input
- $0.154per 1M tokens
- Output
- $1.54per 1M tokens
- Context
- 37K8K max output
What it costs
- Input
- $0.154per million tokens
- Output
- $1.54per million tokens
- Blended (3:1)
- $0.502cheaper than 60% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $1.08 |
| Team assistant25M input + 5M output tokens | $11.57 |
| Production app250M input + 50M output tokens | $115.75 |
Median of 2 paid API providers on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Perceptron Mk1.5 yet.
The details
- Lab
- Perceptron
- Released
- Sep 25, 2026
- Context window
- 36,864 tokens
- Max output
- 8,192 tokens
- Inputs
- Text, Images, Audio, Video
- Output
- Text
- Reasoning
- Always on
- Tool calling
- Yes
- Structured output
- No
- Weights
- Proprietary
- Availability
- 2 API providerslisted on models.dev
More from Perceptron
About Perceptron Mk1.5
How much does Perceptron Mk1.5 cost?
Perceptron Mk1.5 costs $0.154 input / $1.54 output per million tokens (median across 2 API providers). At a 3:1 input-to-output mix that is $0.502 per million tokens, cheaper than 60% of the 445 priced models we track.
What is the context window of Perceptron Mk1.5?
Perceptron Mk1.5 accepts up to 36,864 tokens per request and can write up to 8,192 tokens in one response.
How good is Perceptron Mk1.5?
Epoch AI has not published a Capabilities Index score for Perceptron Mk1.5 yet.
Is Perceptron Mk1.5 open source?
No. Perceptron Mk1.5 is proprietary; you use it through an API or partner platforms.
What inputs does Perceptron Mk1.5 support?
Perceptron Mk1.5 accepts text, images, audio and video and replies in text. It is a reasoning model, supports tool calling.
When was Perceptron Mk1.5 released?
Perceptron released Perceptron Mk1.5 on Sep 25, 2026.
What are the best alternatives to Perceptron Mk1.5?
The closest current models from other labs on capability, price and release date are LongCat-2.5-Preview (Meituan (LongCat), $0.30 / $1.20), Beam 1.0 501B A23B (Reflection AI, $0.30 / $1.00), MiMo-V2.6-Pro (Xiaomi, $0.435 / $0.87) and Ling 3.1 Flash (inclusionAI, $0.30 / $0.90).