--- title: "ByteDance Seed: Seed 2.1 Turbo — unrated, priced in this catalogue · Undominated.ai" canonical: https://undominated.ai/models/bytedance-seed__seed-2-1-turbo/ description: "ByteDance Seed: Seed 2.1 Turbo: $0.500/M in, $2.50/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero." --- # ByteDance Seed: Seed 2.1 Turbo — unrated, priced in this catalogue · Undominated.ai > ByteDance Seed: Seed 2.1 Turbo: $0.500/M in, $2.50/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero. [Check base rates for this workload](/check/bytedance-seed__seed-2-1-turbo/) [Cheaper alternatives](/alternatives/) [Family](/families/seed/) [Compare models](https://undominated.ai/compare/?models=bytedance-seed%2Fseed-2-1-turbo) 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 # Seed 2.1 Turbo ByteDance · 12 Aug 2026 Balanced Summarise Chat Code gen Agentic NOT INDEPENDENTLY RATED ## No independent LMArena score is published for this model. **$1.00** / 1M tokens Balanced · 3 tokens in per 1 out Evidence as of 06 Oct 2026 [openrouter/models](https://openrouter.ai/api/v1/models) Independent LMArena score Not independently rated Context window 262.14K Maximum output 235.93K Input modalities text, image, video Output modalities text Published input price $0.500 / 1M tokens Published output price $2.50 / 1M tokens Pricing kind fixed Inspect [complete billing conditions](#billing-details) and endpoint terms below. Price from Seed: 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 | $0.500 /M | | --- | --- | | Output | $2.50 /M | | Cached input | Unknown /M | | Cache write | Unknown /M | | Cache write 1h | Unknown /M | | Reasoning | Unknown /M | ### 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 Seed seed/fp8 Endpoint terms Cached input /M Unknown Context limit 262,144 tokens Output limit 235,929 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes Unknown | Input $0.500 | Output $2.50 | Precision fp8 | Uptime (1d) 99.94% | ### Independent scores No independent benchmark has measured this model. Unrated is not a score of zero. ### Capability | Context window | 262K | | --- | --- | | Max output | 235K | | Input modes | text, image, video | | Tool use | yes | | Reasoning | optional | | Open weights | Unknown | ### Provenance | Price source | [openrouter.ai](https://openrouter.ai/api/v1/models) | | --- | --- | | Fetched | 2026-10-06 | | Quality data | unrated | Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and... ## Questions this page answers What does Seed 2.1 Turbo cost? $0.500/M in, $2.50/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription. Does Seed 2.1 Turbo have an independent quality score? Seed 2.1 Turbo has no independent quality score in this catalogue. Unrated is not a score of zero. What beats Seed 2.1 Turbo? Seed 2.1 Turbo has no independent quality score. Unrated is not a score of zero. Does this page use Artificial Analysis scores for Seed 2.1 Turbo? 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 Seed 2.1 Turbo 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 ByteDance Seed: Seed 2.1 Turbo. 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 [Seed 1.6](/models/bytedance-seed__seed-1.6/) - ByteDance models [ByteDance](/providers/bytedance/) - Same vendor [Seed 1.6 Flash](/models/bytedance-seed__seed-1.6-flash/) - Same vendor [Seed-2.0-Code](/models/bytedance-seed__seed-2.0-code/) ## 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 [![Seed 2.1 Turbo — Undominated.ai dominance verdict](https://undominated.ai/badge/bytedance-seed__seed-2-1-turbo.svg)](https://undominated.ai/models/bytedance-seed__seed-2-1-turbo/) HTML Copy Seed 2.1 Turbo — Undominated.ai dominance verdict Direct file: [https://undominated.ai/badge/bytedance-seed__seed-2-1-turbo.svg](https://undominated.ai/badge/bytedance-seed__seed-2-1-turbo.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/)