ZMIME
Comparison · 3 models · Updated Oct 4, 2026

Ornith 1.0 35B vs Qwen3.8 Max Preview vs Seed 2.1 Pro

Qwen3.8 Max Preview comes out ahead, 66 to 62 and 51 on our weighted score, though Seed 2.1 Pro is 41% cheaper per token.

  1. DeepReinforce

    Ornith 1.0 35B

    Released Jun 25, 2026

    51/100
    • ECI—
    • Price—
    • Context262K
  2. Our pick

    Alibaba (Qwen)

    Qwen3.8 Max Preview

    Released Jul 19, 2026

    66/100
    • ECI—
    • Price$2.00 / $6.00
    • Context1M
  3. ByteDance Seed

    Seed 2.1 Pro

    Released Jun 23, 2026

    62/100
    • ECI—
    • Price$0.891 / $4.45
    • Context256K
01 — Verdict

Qwen3.8 Max Preview is our pick

Qwen3.8 Max Preview is the better all-round choice, scoring 66/100 against Seed 2.1 Pro (62) and Ornith 1.0 35B (51). It leads on context window. Seed 2.1 Pro wins on inputs & features. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

  • CapabilityNot enough dataNo independent benchmark covers every model here yet
  • Lowest priceSeed 2.1 ProSeed 2.1 Pro $1.78 · Qwen3.8 Max Preview $3.00 per 1M tokens (3:1 blend) · Ornith 1.0 35B unpriced
  • Longest contextQwen3.8 Max PreviewQwen3.8 Max Preview 1,000,000 · Ornith 1.0 35B 262,144 · Seed 2.1 Pro 256,000 tokens
  • Widest inputsQwen3.8 Max Preview and Seed 2.1 ProOrnith 1.0 35B: Text, Images · Qwen3.8 Max Preview: Text, Images, Video · Seed 2.1 Pro: Text, Images, Video
  • Self-hostingOrnith 1.0 35BPublishes downloadable weights (MIT)
How the score is built
MeasureWeightOrnith 1.0 35BQwen3.8 Max PreviewSeed 2.1 Pro
Inputs & features60%607080
Context window40%376036
Overall100%51/10066/10062/100

Left out because at least one model lacks the data: capability and price. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Ornith 1.0 35B vs Qwen3.8 Max Preview vs Seed 2.1 Pro specifications side by side
SpecificationOrnith 1.0 35BDeepReinforceQwen3.8 Max PreviewAlibaba (Qwen)Seed 2.1 ProByteDance Seed
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input—$2.00$0.891 (best)
Output—$6.00$4.45 (best)
Cached input——$0.178
Blended (3:1)—$3.00$1.78 (best)
Long-context rate—Same rateSame rate
Price source—Median of 6 providersOfficial Volcengine Ark API
Limits
Context window262,144 tokens1,000,000 tokens (best)256,000 tokens
Max output—131,072 tokens256,000 tokens (best)
Inputs and features
TextYesYesYes
ImagesYesYesYes
PDFsNoNoNo
AudioNoNoNo
VideoNoYesYes
ReasoningYesYesYesminimal · low · medium · high · xhigh · max
Tool callingYesYesYes
Structured outputNoNoYes
Availability
WeightsOpenMITProprietaryProprietary
API model ID——doubao-seed-2-1-pro-260628
API providers16 (best)2
ReleasedJun 25, 2026Jul 19, 2026Jun 23, 2026
Knowledge cutoff———
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • Ornith 1.0 35B—
  • Qwen3.8 Max Preview$32.00
  • Seed 2.1 Pro$17.81
04 — Questions

Which should you choose?

Which is better: Ornith 1.0 35B, Qwen3.8 Max Preview or Seed 2.1 Pro?

Qwen3.8 Max Preview is the better all-round choice, scoring 66/100 against Seed 2.1 Pro (62) and Ornith 1.0 35B (51). It leads on context window. Seed 2.1 Pro wins on inputs & features. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, Ornith 1.0 35B, Qwen3.8 Max Preview or Seed 2.1 Pro?

Seed 2.1 Pro is cheaper at $0.891 input / $4.45 output per million tokens (official Volcengine Ark API price). Qwen3.8 Max Preview costs $2.00 input / $6.00 output per million tokens (median across 6 API providers). At a typical mix of three input tokens to one output token, that is $1.78 per million tokens for Seed 2.1 Pro versus $3.00 for Qwen3.8 Max Preview (1.7× as much). Ornith 1.0 35B has no published per-token price.

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Ornith 1.0 35B has not been scored yet, Qwen3.8 Max Preview has not been scored yet and Seed 2.1 Pro has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Ornith 1.0 35B, Qwen3.8 Max Preview and Seed 2.1 Pro yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.

Which has the bigger context window?

Qwen3.8 Max Preview has the largest context window at 1,000,000 tokens, against 262,144 for Ornith 1.0 35B and 256,000 for Seed 2.1 Pro. Maximum output per response: Qwen3.8 Max Preview up to 131,072, Seed 2.1 Pro up to 256,000 tokens.

Which can read images, PDFs, audio or video?

Ornith 1.0 35B accepts text and images; Qwen3.8 Max Preview accepts text, images and video; Seed 2.1 Pro accepts text, images and video. Qwen3.8 Max Preview handles the widest range of inputs.

Are any of these open source?

Ornith 1.0 35B publishes its weights (MIT) and can be self-hosted; Qwen3.8 Max Preview and Seed 2.1 Pro is proprietary.

Which is newer?

Qwen3.8 Max Preview is the newest, released Jul 19, 2026. Ornith 1.0 35B came out Jun 25, 2026; Seed 2.1 Pro came out Jun 23, 2026.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.