Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
In this head-to-head showdown, OpenRouter: Fusion is more budget-friendly at $-1,000,000/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
3 direct benchmark disciplines evaluated across capability, speed, and cost
Auto-discovered from OpenRouter (openrouter/fusion). Preview until a second source matches.
OpenAI 5.6 mid tier. Official API $2/$12 per 1M after the Jul 30 2026 price cut.
Single model data
No latency data
$-1000000 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.
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 | OpenRouter: Fusion | GPT-5.6 Terra | Advantage Delta |
|---|---|---|---|
| Preference Elo | — | — | |
| Coding Elo | — | — | |
| LiveBench | — | — | |
| SWE-bench | — | — | |
| GPQA Diamond | — | — | |
| Time to first token | — | — | |
| Output speed | — | 128 tok/s | — |
| Input price | $-1,000,000/1M | +$1,000,001/1M | |
| Output price | $-1,000,000/1M | +$1,000,006/1M | |
| Context window | +50k |
Need SWE-bench on both sides.
Lower output list price ($-1,000,000/1M).
Need TTFT on both sides.
Larger window (1.1M).
GPT-5.6 Terra 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 | OpenRouter: Fusion | Lower output list price ($-1,000,000/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | GPT-5.6 Terra | Larger window (1.1M). |
| Screenshots / vision | GPT-5.6 Terra | GPT-5.6 Terra is the side marked multimodal in the catalog. |
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Verified Head-to-Head Telemetry
