--- title: "Sakana: Fugu Ultra — unrated, priced in this catalogue · Undominated.ai" canonical: https://undominated.ai/models/sakana__fugu-ultra/ description: "Sakana: Fugu Ultra: $5.00/M in, $30.00/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero." --- # Sakana: Fugu Ultra — unrated, priced in this catalogue · Undominated.ai > Sakana: Fugu Ultra: $5.00/M in, $30.00/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero. [Check base rates for this workload](/check/sakana__fugu-ultra/) [Cheaper alternatives](/alternatives/) [Family](/families/fugu/) [Compare models](https://undominated.ai/compare/?models=sakana%2Ffugu-ultra) Comparison context Choose up to three standard models in Compare. Requirements and prompt length apply in Compare. This page keeps its stated price basis and workload controls. MODEL PROOF # Fugu Ultra Sakana AI · 24 Jun 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 Base context tier shown; inspect the complete context ladder below. Evidence as of 06 Oct 2026 [openrouter/models](https://openrouter.ai/api/v1/models) Independent LMArena score Not independently rated Context window 1M Maximum output 128K Input modalities text, image 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 Inspect [complete billing conditions](#billing-details) and endpoint terms below. Price from Sakana AI: the cheapest offer that is serving, at standard delivery and at the maker’s precision or better, at its standard rate. Every price dimension · USD per million tokens | Input | $5.00 /M | | --- | --- | | Output | $30.00 /M | | Cached input | $0.500 /M | | Cache write | Unknown /M | | Cache write 1h | Unknown /M | | Reasoning | Unknown /M | | Web search | $0.01 /call | **The headline rate does not apply to a long-context workload.** Complete context ladder · 1 tier | More than 272,000 tokens | $10.00 /M in (2×) $45.00 /M out $1.00 /M cached input Unknown /M cache write | | --- | --- | ### Who sells it The same weights, different shops. Cheapest is not like-for-like when serving precision differs. 1 provider offers · rates, limits and conditions Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test. | Seller | Input | Output | Precision | Uptime (1d) | | --- | --- | --- | --- | --- | | Seller Sakana AI sakana Endpoint terms Cached input /M $0.500 Context limit 1,000,000 tokens Output limit 128,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes Unknown | 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 | | Tool use | yes | | Reasoning | always on | | Open weights | Unknown | ### Provenance | Price source | [openrouter.ai](https://openrouter.ai/api/v1/models) | | --- | --- | | Fetched | 2026-10-06 | | Quality data | unrated | Fugu Ultra 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 route... ## Questions this page answers What does Fugu Ultra 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 have an independent quality score? Fugu Ultra has no independent quality score in this catalogue. Unrated is not a score of zero. What beats Fugu Ultra? Fugu Ultra has no independent quality score. Unrated is not a score of zero. Does this page use Artificial Analysis scores for Fugu Ultra? No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated. Does a missing score mean Fugu Ultra scored zero? Unrated is not a score of zero. MODEL MONUMENT ## Save or share this proof Download proof card · 1200 × 630 Preview and more sharing options Sakana: Fugu Ultra. Balanced workload. Not independently rated. Evidence as of 06 Oct 2026. Copy model link Download square card · 1080 × 1080 Copy landscape image Share landscape card ## 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 v2](/models/sakana__fugu-ultra-v2/) - 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 — Undominated.ai dominance verdict](https://undominated.ai/badge/sakana__fugu-ultra.svg)](https://undominated.ai/models/sakana__fugu-ultra/) HTML Copy Fugu Ultra — Undominated.ai dominance verdict Direct file: [https://undominated.ai/badge/sakana__fugu-ultra.svg](https://undominated.ai/badge/sakana__fugu-ultra.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. ## Continue your investigation - [Explore model families](/families/) - [Compare a shortlist](/compare/) - [Check a model](/check/) - [Understand the evidence](/methodology/)