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Comparison · 2 models · Updated Nov 2, 2026

Nova 2 Lite vs Seed 2.1 Turbo

Nova 2 Lite comes out ahead, 61 to 56 on our weighted score.

  1. Our pick

    Amazon

    Nova 2 Lite

    Released Dec 2, 2025

    61/100
    • ECI—
    • Price$0.315 / $2.63
    • Context1M
  2. ByteDance Seed

    Seed 2.1 Turbo

    Released Jun 23, 2026

    56/100
    • ECI—
    • Price$0.445 / $2.23
    • Context256K
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Nova 2 Lite is our pick

Nova 2 Lite is the better all-round choice, scoring 61/100 against Seed 2.1 Turbo (56). It leads on context window. The score weighs price 50%, inputs & features 30%, context window 20%. 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 TurboSeed 2.1 Turbo $0.891 · Nova 2 Lite $0.892 per 1M tokens (3:1 blend)
  • Longest contextNova 2 LiteNova 2 Lite 1,000,000 · Seed 2.1 Turbo 256,000 tokens
  • Widest inputsNova 2 LiteNova 2 Lite: Text, Images, PDFs, Video · Seed 2.1 Turbo: Text, Images, Video
  • Self-hostingNo open weightsBoth are available only through APIs
How the score is built
MeasureWeightNova 2 LiteSeed 2.1 Turbo
Price50%5050
Inputs & features30%8080
Context window20%6036
Overall100%61/10056/100

Left out because at least one model lacks the data: capability. 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.

Nova 2 Lite vs Seed 2.1 Turbo specifications side by side
SpecificationNova 2 LiteAmazonSeed 2.1 TurboByteDance Seed
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.315 (best)$0.445
Output$2.63$2.23 (best)
Cached input—$0.089
Blended (3:1)$0.892$0.891 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 6 providersOfficial Volcengine Ark API
Limits
Context window1,000,000 tokens (best)256,000 tokens
Max output65,536 tokens256,000 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsYesNo
AudioNoNo
VideoYesYes
ReasoningYeslow · medium · highYesminimal · low · medium · high · xhigh · max
Tool callingYesYes
Structured outputNoYes
Availability
WeightsProprietaryProprietary
API model IDnova-2-lite-v1doubao-seed-2-1-turbo-260628
API providers88
ReleasedDec 2, 2025Jun 23, 2026
Knowledge cutoffOct 2025—
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.

  • Nova 2 Lite$8.40
  • Seed 2.1 Turbo$8.91
04 — Questions

Which should you choose?

Which is better: Nova 2 Lite or Seed 2.1 Turbo?

Nova 2 Lite is the better all-round choice, scoring 61/100 against Seed 2.1 Turbo (56). It leads on context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, Nova 2 Lite or Seed 2.1 Turbo?

Seed 2.1 Turbo is cheaper at $0.445 input / $2.23 output per million tokens (official Volcengine Ark API price). Nova 2 Lite costs $0.315 input / $2.63 output per million tokens (median across 6 API providers; free on Nova). At a typical mix of three input tokens to one output token, that is $0.891 per million tokens for Seed 2.1 Turbo versus $0.892 for Nova 2 Lite (1× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Nova 2 Lite has not been scored yet and Seed 2.1 Turbo has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Nova 2 Lite and Seed 2.1 Turbo yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.

Which has the bigger context window?

Nova 2 Lite has the largest context window at 1,000,000 tokens, against 256,000 for Seed 2.1 Turbo. Maximum output per response: Nova 2 Lite up to 65,536, Seed 2.1 Turbo up to 256,000 tokens.

Which can read images, PDFs, audio or video?

Nova 2 Lite accepts text, images, PDFs and video; Seed 2.1 Turbo accepts text, images and video. Nova 2 Lite handles the widest range of inputs.

Are any of these open source?

No. Nova 2 Lite and Seed 2.1 Turbo are proprietary and only available through APIs and apps.

Which is newer?

Seed 2.1 Turbo is the newest, released Jun 23, 2026. Nova 2 Lite came out Dec 2, 2025. Knowledge cutoff: Nova 2 Lite Oct 2025.

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 Nov 2, 2026.