Doubao Seed 2.0 Pro vs Fugu Max

ByteDance · China  |  Sakana AI · Global · Updated June 2026

Quick verdict

Pick Doubao Seed 2.0 Pro for powers china's most-used consumer ai app, with strong multimodal reasoning or native video understanding alongside text and image input. Pick Fugu Max for cost-efficient multi-agent orchestration — undercuts claude sonnet 5 and kimi k3 on output cost by a claimed 40-60% or 1m-token context window at $2/$6 per million tokens. On a tight budget at scale, Doubao Seed 2.0 Pro is the value pick.

Doubao Seed 2.0 Pro (ByteDance) and Fugu Max (Sakana AI) are two of the models people most often weigh against each other in 2026. Doubao Seed 2.0 Pro is byteDance's flagship Doubao model — a cheap, multimodal reasoning model behind China's most popular AI app, with strong vendor-claimed benchmarks but undisclosed internals. Fugu Max is sakana AI's cost-first multi-agent orchestration model — not a single trained model, but a routed pool of models behind one API, priced at $2/$6 per million tokens. They diverge most on price and context window — each quantified below from the models' real specs.

Key differences at a glance

Side-by-side specs

SpecDoubao Seed 2.0 ProFugu Max
ProviderByteDance (China) Sakana AI (Global)
ReleasedFebruary 14, 2026 September 10, 2026
Context window256K (~384 pages) 1M tokens (~1,500 pages)
Price (in/out)$0.47/$2.37 per 1M tokens $2/$6 per 1M tokens
Open weight?No — API only No — API only
Modalitiestext, image, video, code text
SWE-Bench VerifiedNot published Not published
MRCR v2 @ 1MNot published Not published

Who wins what

Powers China's most-used consumer AI app, with strong multimodal reasoning

Doubao Seed 2.0 Pro

Fugu Max is comparatively weak here — the cheaper sibling to Fugu Ultra v2 — lower ceiling on the hardest reasoning tasks

Native video understanding alongside text and image input

Doubao Seed 2.0 Pro

ByteDance's flagship Doubao model — a cheap, multimodal reasoning model behind China's most popular AI app, with strong vendor-claimed benchmarks but undisclosed internals — and it runs cheaper at $0.47/$2.37 per 1M tokens.

Aggressively cheap for its claimed capability — around $0.47/$2.37 per million tokens

Doubao Seed 2.0 Pro

At $0.47/$2.37 per 1M tokens it undercuts Fugu Max ($2/$6 per 1M tokens), and that gap compounds at volume.

Cost-efficient multi-agent orchestration — undercuts Claude Sonnet 5 and Kimi K3 on output cost by a claimed 40-60%

Fugu Max

Doubao Seed 2.0 Pro is comparatively weak here — benchmark scores are vendor-claimed; no independent Artificial Analysis index for the Pro variant yet

1M-token context window at $2/$6 per million tokens

Fugu Max

Its 1M tokens window holds about 3.9× more than Doubao Seed 2.0 Pro's 256K in a single prompt.

OpenAI-compatible API — drop-in replacement for single-model integrations

Fugu Max

Sakana AI's cost-first multi-agent orchestration model — not a single trained model, but a routed pool of models behind one API, priced at $2/$6 per million tokens — and it carries the larger 1M tokens context.

Lowest cost at scale

Doubao Seed 2.0 Pro

At $0.47/$2.37 per 1M tokens, it is the cheaper of the two — the gap dominates the bill on high-volume workloads.

Largest single-prompt input

Fugu Max

Its 1M tokens window is about 3.9× larger than Doubao Seed 2.0 Pro's 256K, fitting roughly 1,500 pages in one prompt.

Which should you pick?

A cost-sensitive startup shipping high volume

Doubao Seed 2.0 Pro

At $0.47/$2.37 per 1M tokens it undercuts Fugu Max, and on millions of tokens that margin decides the monthly bill.

Someone analysing very long documents or codebases

Fugu Max

Larger 1M tokens window fits more in one prompt.

Anyone whose priority is powers china's most-used consumer ai app, with strong multimodal reasoning

Doubao Seed 2.0 Pro

It is specifically built for that.

Anyone whose priority is cost-efficient multi-agent orchestration — undercuts claude sonnet 5 and kimi k3 on output cost by a claimed 40-60%

Fugu Max

That is its strongest area.

Doubao Seed 2.0 Pro: where it fits

ByteDance's flagship Doubao model — a cheap, multimodal reasoning model behind China's most popular AI app, with strong vendor-claimed benchmarks but undisclosed internals. Released February 14, 2026 by ByteDance, it is built for powers China's most-used consumer AI app, with strong multimodal reasoning, native video understanding alongside text and image input, aggressively cheap for its claimed capability — around $0.47/$2.37 per million tokens, and byteDance reports frontier-level math and coding scores (e.g. AIME25 98.3, vendor-claimed SWE-Bench Verified 76.5).

Its trade-offs are real: byteDance discloses no parameter count or architecture details, benchmark scores are vendor-claimed; no independent Artificial Analysis index for the Pro variant yet, closed weights on a China-hosted API — data-privacy considerations for sensitive work, and smaller 256K context than the 1M-token Chinese rivals. At $0.47 in / $2.37 out per million tokens, it sits in the budget price band.

Fugu Max: where it fits

Sakana AI's cost-first multi-agent orchestration model — not a single trained model, but a routed pool of models behind one API, priced at $2/$6 per million tokens. Released September 10, 2026 by Sakana AI, it is built for cost-efficient multi-agent orchestration — undercuts Claude Sonnet 5 and Kimi K3 on output cost by a claimed 40-60%, 1M-token context window at $2/$6 per million tokens, and openAI-compatible API — drop-in replacement for single-model integrations.

Its trade-offs: not a single trained model — Sakana describes Fugu as "a Multi-Agent System, Delivered as One Model" that routes tasks across a pool of other models, so raw benchmark comparisons to monolithic models can be misleading, the cheaper sibling to Fugu Ultra v2 — lower ceiling on the hardest reasoning tasks, and a young, first-generation product from Sakana AI's orchestration approach, unproven at scale versus established frontier labs. At $2 in / $6 out per million tokens, it sits in the mid price band.

The bottom line for this matchup

Doubao Seed 2.0 Pro and Fugu Max overlap enough that the right pick depends on your specific job. Doubao Seed 2.0 Pro costs less per token; Fugu Max holds the larger context; and each leads in its own area — Doubao Seed 2.0 Pro for powers china's most-used consumer ai app, with strong multimodal reasoning, Fugu Max for cost-efficient multi-agent orchestration — undercuts claude sonnet 5 and kimi k3 on output cost by a claimed 40-60%. Rather than crowning one, run the same hard task through both once and let the results decide.

Want both Doubao Seed 2.0 Pro and Fugu Max without two subscriptions? LumiChats gives you these plus 40+ models under one ₹69/day pass (about $1/day) — draft with one, cross-check with the other.

See pricing

Frequently asked questions

Is Doubao Seed 2.0 Pro or Fugu Max better for coding?

Public SWE-Bench figures are not available for either model, so the honest test is your own repository — run an identical real bug through both. By design, Doubao Seed 2.0 Pro leans toward powers china's most-used consumer ai app, with strong multimodal reasoning while Fugu Max leans toward cost-efficient multi-agent orchestration — undercuts claude sonnet 5 and kimi k3 on output cost by a claimed 40-60%, and that positioning usually predicts which feels better on your codebase.

Which is cheaper, Doubao Seed 2.0 Pro or Fugu Max?

Doubao Seed 2.0 Pro is cheaper — $0.47/$2.37 per 1M tokens vs $2/$6 per 1M tokens, roughly 4.3× apart on input.

Which has the bigger context window?

Fugu Max — 1M tokens vs 256K, about 3.9× larger. Useful only if the model actually reasons over the full window, which not all do.

Can I use both Doubao Seed 2.0 Pro and Fugu Max together?

Yes — a multi-model platform like LumiChats gives you Doubao Seed 2.0 Pro, Fugu Max and 40+ others under one ₹69/day pass (about $1/day), so you can draft with one and cross-check with the other instead of buying two subscriptions.

Which is newer, Doubao Seed 2.0 Pro or Fugu Max?

Fugu Max — released September 10, 2026, about 7 months after Doubao Seed 2.0 Pro.

Related comparisons

Specifications and benchmarks reflect publicly reported figures as of June 2026 and may change as providers release updates. Always verify on your own workload.