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.
Original Claude 3 flagship. Kept so opus 3 vs later Opus and vs GPT-4o still resolve.
Auto-discovered from OpenRouter (openrouter/fusion). Preview until a second source matches.
Single model data
No latency data
$-1000000 / 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 3 Opus | OpenRouter: Fusion | Advantage Delta |
|---|---|---|---|
| Preference Elo | — | — | |
| LiveBench | — | — | |
| SWE-bench | — | — | |
| GPQA Diamond | — | — | |
| Time to first token | — | — | |
| Output speed | 48 tok/s | — | — |
| Input price | $-1,000,000/1M | OpenRouter: Fusion (+$1,000,015/1M) | |
| Output price | $-1,000,000/1M | OpenRouter: Fusion (+$1,000,075/1M) | |
| Context window | OpenRouter: Fusion (+800k) |
Need SWE-bench on both sides.
Lower output list price ($-1,000,000/1M).
Need TTFT on both sides.
Larger window (1M).
Claude 3 Opus 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 | OpenRouter: Fusion | Larger window (1M). |
| Screenshots / vision | Claude 3 Opus | Claude 3 Opus is the side marked multimodal in the catalog. |
No comments posted on this matchup yet. Be the first to share an evaluation note!
The real PNG is generated at /compare/claude-3-opus-vs-fusion/opengraph-image for crawlers.
Verified head-to-head card
