GPT-6 Astra Pro (batch) vs Perceptron Mk1.5 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
GPT-6 Astra Pro (batch) — full profile › · Perceptron Mk1.5 — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
| Spec | GPT-6 Astra Pro (batch) | Perceptron Mk1.5 | Winner |
|---|---|---|---|
| Maker | OpenAI | Perceptron | – |
| Type | Proprietary | Proprietary | – |
| Context window | 1.1M tokens | 37K tokens | |
| Input price | $5/M | $0.15/M | PEPerceptron Mk1.5 |
| Output price | $25/M | $1.5/M | PEPerceptron Mk1.5 |
| Vision / multimodal | Yes | Yes | = Tie |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Perceptron Mk1.5 is ~17× cheaper than GPT-6 Astra Pro (batch) on output tokens ($1.5 vs $25 per M tokens).
| Capability | GPT-6 Astra Pro (batch) | Perceptron Mk1.5 |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✓ | ✗ |
| Criterion | GPT-6 Astra Pro (batch) | Perceptron Mk1.5 |
|---|---|---|
| Cost-efficiency | 3.0 | 4.5 |
| Context window | 5.0 | 2.5 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
GPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...
Perceptron Mk1.5 is Perceptron's embodied reasoning model for physical agents. It accepts text, image, video, and audio input, and answers with text plus optional structured annotations: points, boxes, polygons, tracks,...
Perceptron Mk1.5 is cheaper on output ($1.5/M vs $25/M).
GPT-6 Astra Pro (batch) offers the larger context window (1.1M tokens).
Choose Perceptron Mk1.5 for the lower output price ($1.5/M vs $25/M). Choose GPT-6 Astra Pro (batch) if you need the larger 1.1M context window.
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