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Comparison · 2 models · Updated Oct 4, 2026

Ornith 1.0 31B vs LongCat-2.5-Preview

LongCat-2.5-Preview comes out ahead, 60 to 51 on our weighted score, and it is the cheaper option too.

  1. DeepReinforce

    Ornith 1.0 31B

    Released Jun 25, 2026

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

    Meituan (LongCat)

    LongCat-2.5-Preview

    Released Sep 25, 2026

    60/100
    • ECI—
    • Price$0.75 / $2.95
    • Context1M
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

LongCat-2.5-Preview is our pick

LongCat-2.5-Preview is the better all-round choice, scoring 60/100 against Ornith 1.0 31B (51). It leads on context window. 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 priceLongCat-2.5-PreviewLongCat-2.5-Preview $1.30 per 1M tokens (3:1 blend) · Ornith 1.0 31B unpriced
  • Longest contextLongCat-2.5-PreviewLongCat-2.5-Preview 1,000,000 · Ornith 1.0 31B 262,144 tokens
  • Widest inputsSame inputsOrnith 1.0 31B: Text, Images · LongCat-2.5-Preview: Text, Images
  • Self-hostingOrnith 1.0 31BPublishes downloadable weights (MIT)
How the score is built
MeasureWeightOrnith 1.0 31BLongCat-2.5-Preview
Inputs & features60%6060
Context window40%3760
Overall100%51/10060/100

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 31B vs LongCat-2.5-Preview specifications side by side
SpecificationOrnith 1.0 31BDeepReinforceLongCat-2.5-PreviewMeituan (LongCat)
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input—$0.75
Output—$2.95
Cached input——
Blended (3:1)—$1.30
Long-context rate—Same rate
Price source—Median of 1 providers
Limits
Context window262,144 tokens1,000,000 tokens (best)
Max output—131,072 tokens
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingYesYes
Structured outputNoNo
Availability
WeightsOpenMITProprietary
API model ID——
API providers—2
ReleasedJun 25, 2026Sep 25, 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 31B—
  • LongCat-2.5-Preview$13.40
04 — Questions

Which should you choose?

Which is better: Ornith 1.0 31B or LongCat-2.5-Preview?

LongCat-2.5-Preview is the better all-round choice, scoring 60/100 against Ornith 1.0 31B (51). It leads on context window. 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 31B or LongCat-2.5-Preview?

LongCat-2.5-Preview is cheaper at $0.75 input / $2.95 output per million tokens (median across 1 API provider). . At a typical mix of three input tokens to one output token, that is $1.30 per million tokens for LongCat-2.5-Preview versus . Ornith 1.0 31B has no published per-token price.

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Ornith 1.0 31B has not been scored yet and LongCat-2.5-Preview has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Ornith 1.0 31B and LongCat-2.5-Preview 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?

LongCat-2.5-Preview has the largest context window at 1,000,000 tokens, against 262,144 for Ornith 1.0 31B. Maximum output per response: LongCat-2.5-Preview up to 131,072 tokens.

Which can read images, PDFs, audio or video?

Ornith 1.0 31B accepts text and images; LongCat-2.5-Preview accepts text and images. They handle the same number of input types.

Are any of these open source?

Ornith 1.0 31B publishes its weights (MIT) and can be self-hosted; LongCat-2.5-Preview is proprietary.

Which is newer?

LongCat-2.5-Preview is the newest, released Sep 25, 2026. Ornith 1.0 31B came out Jun 25, 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.