--- title: "Sakana: Fugu Ultra v2 — unrated, priced in this catalogue · Undominated.ai" canonical: https://undominated.ai/models/sakana__fugu-ultra-v2/ description: "Sakana: Fugu Ultra v2: $5.00/M in, $30.00/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero." --- # Sakana: Fugu Ultra v2 — unrated, priced in this catalogue · Undominated.ai > Sakana: Fugu Ultra v2: $5.00/M in, $30.00/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero. MODEL PROOF # Fugu Ultra v2 Sakana AI · 11 Sept 2026 Balanced Summarise Chat Code gen Agentic NOT INDEPENDENTLY RATED ## No independent LMArena score is published for this model. **$11.25** / 1M tokens Balanced · 3 tokens in per 1 out Independent LMArena score Not independently rated Context window 1M Maximum output 128K Input modalities text, image, file Output modalities text Published input price $5.00 / 1M tokens Published output price $30.00 / 1M tokens Pricing kind fixed Context tiers Tiered by context Evidence as of 19 Sept 2026 openrouter/models Copy link Share Download landscape card MODEL MONUMENT ## Save or share this proof Sakana: Fugu Ultra v2. Balanced workload. Not independently rated. Evidence as of 19 Sept 2026. Download landscape card — 1200 by 630 pixels Download square card — 1080 by 1080 pixels Copy landscape image Share landscape card $5.00/M in, $30.00/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription. Fugu Ultra v2 has no independent quality score. Unrated is not a score of zero. ### Every price dimension | Input | $5.00 /M | | --- | --- | | Output | $30.00 /M | | Cached input | $0.500 /M | | Web search | $0.01 /call | **The headline rate does not apply to a long-context workload.** | Past 272,000 tokens | $10.00 /M in (2×) $45.00 /M out | | --- | --- | ### Who sells it The same weights, different shops. Cheapest is not like-for-like when serving precision differs. | Seller | Input | Output | Precision | Uptime (1d) | | --- | --- | --- | --- | --- | | Seller Sakana AI | Input $5.00 | Output $30.00 | Precision undeclared | Uptime (1d) 100.00% | ### Independent scores No independent benchmark has measured this model. Unrated is not a score of zero. ### Capability | Context window | 1M | | --- | --- | | Max output | 128K | | Input modes | text, image, file | | Tool use | yes | | Reasoning | always on | | Knowledge cutoff | 2026-08-28 | ### Provenance | Price source | openrouter.ai | | --- | --- | | Fetched | 2026-09-19 | | Quality data | unrated | Fugu Ultra v2 is the higher-performance model in Sakana AI's Fugu family. Rather than a single monolithic model, Fugu is a learned multi-agent orchestration system: a language model trained to... ## Questions this page answers ### What does Fugu Ultra v2 cost? $5.00/M in, $30.00/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription. ### Does Fugu Ultra v2 have an independent quality score? Fugu Ultra v2 has no independent quality score in this catalogue. Unrated is not a score of zero. ### What beats Fugu Ultra v2? Fugu Ultra v2 has no independent quality score. Unrated is not a score of zero. ### Does this page use Artificial Analysis scores for Fugu Ultra v2? No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated. [Check whether this is still the one to buy](/check/sakana__fugu-ultra-v2/) ## Related No independent quality score, so there is no dominator to name. Unrated is not a clean bill of health. - Same vendor [Fugu Max](/models/sakana__fugu-max/) - Sakana AI models [Sakana AI](/providers/sakana-ai/) - Where this model appears [cliffs](/cliffs/) - Same vendor [Fugu Ultra](/models/sakana__fugu-ultra/) - Where this model appears [effort](/effort/) - Same vendor [Sakana Namazu](/models/sakana__sakana-namazu/) ## Badge The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not. Markdown Copy [![Fugu Ultra v2 — Undominated.ai dominance verdict](https://undominated.ai/badge/sakana__fugu-ultra-v2.svg)](https://undominated.ai/models/sakana__fugu-ultra-v2/) HTML Copy Fugu Ultra v2 — Undominated.ai dominance verdict Direct file: [https://undominated.ai/badge/sakana__fugu-ultra-v2.svg](https://undominated.ai/badge/sakana__fugu-ultra-v2.svg) — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never older than the last deploy.