Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
In this head-to-head showdown, Perceptron: Perceptron Mk1 is more budget-friendly at $1.5/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
First Claude 4 Opus generation. Baseline for opus 4 vs opus 5.
Auto-discovered from OpenRouter (perceptron/perceptron-mk1). Preview until a second source matches.
Single model data
No latency data
$1.5 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | Claude Opus 4 | Perceptron: Perceptron Mk1 | Advantage Delta |
|---|---|---|---|
| Preference Elo | — | — | |
| Coding Elo | — | — | |
| LiveBench | — | — | |
| SWE-bench | — | — | |
| GPQA Diamond | — | — | |
| Time to first token | — | — | |
| Output speed | 58 tok/s | — | — |
| Input price | $0.15/1M | Perceptron: Perceptron Mk1 (+$14.85/1M) | |
| Output price | $1.5/1M | Perceptron: Perceptron Mk1 (+$73.5/1M) | |
| Context window | Claude Opus 4 (+167k) |
Simulate monthly production API costs in USD (US Dollar).
Perceptron: Perceptron Mk1 is estimated to save $1,622.25/month ($19,467/year).
Need SWE-bench on both sides.
Lower output list price ($1.5/1M).
Need TTFT on both sides.
Larger window (200k).
Claude Opus 4 is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | insufficient data | Need SWE-bench on both sides. |
| High-volume chat | Perceptron: Perceptron Mk1 | Lower output list price ($1.5/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | Claude Opus 4 | Larger window (200k). |
| Screenshots / vision | Claude Opus 4 | Claude Opus 4 is the side marked multimodal in the catalog. |
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Verified head-to-head card
