MiniMax-M3.1-Flash-Preview vs Perceptron Mk1.5
MiniMax-M3.1-Flash-Preview comes out ahead, 66 to 49 on our weighted score.
- Our pick
MiniMaxMiniMax-M3.1-Flash-Preview
66/100- ECI—
- Price—
- Context1M
Perceptron
Perceptron Mk1.5
49/100- ECI—
- Price$0.154 / $1.54
- Context37K
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Make it a three-way comparison.
MiniMax-M3.1-Flash-Preview is our pick
MiniMax-M3.1-Flash-Preview is the better all-round choice, scoring 66/100 against Perceptron Mk1.5 (49). It leads on context window. Perceptron Mk1.5 wins on inputs & features. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest pricePerceptron Mk1.5Perceptron Mk1.5 $0.502 per 1M tokens (3:1 blend) · MiniMax-M3.1-Flash-Preview unpriced
- Longest contextMiniMax-M3.1-Flash-PreviewMiniMax-M3.1-Flash-Preview 1,000,000 · Perceptron Mk1.5 36,864 tokens
- Widest inputsPerceptron Mk1.5MiniMax-M3.1-Flash-Preview: Text, Images, Video · Perceptron Mk1.5: Text, Images, Audio, Video
- Self-hostingNo open weightsBoth are available only through APIs
| Measure | Weight | MiniMax-M3.1-Flash-Preview | Perceptron Mk1.5 |
|---|---|---|---|
| Inputs & features | 60% | 70 | 80 |
| Context window | 40% | 60 | 2 |
| Overall | 100% | 66/100 | 49/100 |
Left out because at least one model lacks the data: capability and price. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | MiniMax-M3.1-Flash-PreviewMiniMax | Perceptron Mk1.5Perceptron |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | — | $0.154 |
| Output | — | $1.54 |
| Cached input | — | — |
| Blended (3:1) | — | $0.502 |
| Long-context rate | — | Same rate |
| Price source | — | Median of 2 providers |
| Limits | ||
| Context window | 1,000,000 tokens (best) | 36,864 tokens |
| Max output | 512,000 tokens (best) | 8,192 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | Yes | Yes |
| PDFs | No | No |
| Audio | No | Yes |
| Video | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | No | No |
| Availability | ||
| Weights | Proprietary | Proprietary |
| API model ID | — | — |
| API providers | — | 2 |
| Released | Sep 27, 2026 | Sep 25, 2026 |
| Knowledge cutoff | — | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- MiniMax-M3.1-Flash-Preview—
- Perceptron Mk1.5$4.63
Which should you choose?
Which is better: MiniMax-M3.1-Flash-Preview or Perceptron Mk1.5?
MiniMax-M3.1-Flash-Preview is the better all-round choice, scoring 66/100 against Perceptron Mk1.5 (49). It leads on context window. Perceptron Mk1.5 wins on inputs & features. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, MiniMax-M3.1-Flash-Preview or Perceptron Mk1.5?
Perceptron Mk1.5 is cheaper at $0.154 input / $1.54 output per million tokens (median across 2 API providers). . At a typical mix of three input tokens to one output token, that is $0.502 per million tokens for Perceptron Mk1.5 versus . MiniMax-M3.1-Flash-Preview has no published per-token price.
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. MiniMax-M3.1-Flash-Preview has not been scored yet and Perceptron Mk1.5 has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for MiniMax-M3.1-Flash-Preview and Perceptron Mk1.5 yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
MiniMax-M3.1-Flash-Preview has the largest context window at 1,000,000 tokens, against 36,864 for Perceptron Mk1.5. Maximum output per response: MiniMax-M3.1-Flash-Preview up to 512,000, Perceptron Mk1.5 up to 8,192 tokens.
Which can read images, PDFs, audio or video?
MiniMax-M3.1-Flash-Preview accepts text, images and video; Perceptron Mk1.5 accepts text, images, audio and video. Perceptron Mk1.5 handles the widest range of inputs.
Are any of these open source?
No. MiniMax-M3.1-Flash-Preview and Perceptron Mk1.5 are proprietary and only available through APIs and apps.
Which is newer?
MiniMax-M3.1-Flash-Preview is the newest, released Sep 27, 2026. Perceptron Mk1.5 came out Sep 25, 2026.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Nov 2, 2026.
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