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Comparison · 3 models · Updated Oct 4, 2026

DeepSeek OCR 2 vs LongCat-2.5-Preview vs Step 5 Preview

Step 5 Preview comes out ahead, 57 to 52 and 32 on our weighted score, though DeepSeek OCR 2 is 27% cheaper per token.

  1. DeepSeek

    DeepSeek OCR 2

    Released Jan 27, 2026

    32/100
    • ECI—
    • Price$0.89 / $1.47
    • Context8K
  2. Meituan (LongCat)

    LongCat-2.5-Preview

    Released Sep 25, 2026

    52/100
    • ECI—
    • Price$0.75 / $2.95
    • Context1M
  3. Our pick

    StepFun

    Step 5 Preview

    Released Sep 16, 2026

    57/100
    • ECI—
    • Price$1.00 / $2.70
    • Context1M
01 — Verdict

Step 5 Preview is our pick

Step 5 Preview is the better all-round choice, scoring 57/100 against LongCat-2.5-Preview (52) and DeepSeek OCR 2 (32). It leads on inputs & features. DeepSeek OCR 2 wins on price. 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 priceDeepSeek OCR 2DeepSeek OCR 2 $1.03 · LongCat-2.5-Preview $1.30 · Step 5 Preview $1.43 per 1M tokens (3:1 blend)
  • Longest contextLongCat-2.5-Preview and Step 5 PreviewLongCat-2.5-Preview 1,000,000 · Step 5 Preview 1,000,000 · DeepSeek OCR 2 8,192 tokens
  • Widest inputsStep 5 PreviewDeepSeek OCR 2: Text, Images · LongCat-2.5-Preview: Text, Images · Step 5 Preview: Text, Images, Video
  • Self-hostingDeepSeek OCR 2Publishes downloadable weights
How the score is built
MeasureWeightDeepSeek OCR 2LongCat-2.5-PreviewStep 5 Preview
Price50%494443
Inputs & features30%256080
Context window20%06060
Overall100%32/10052/10057/100

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.

DeepSeek OCR 2 vs LongCat-2.5-Preview vs Step 5 Preview specifications side by side
SpecificationDeepSeek OCR 2DeepSeekLongCat-2.5-PreviewMeituan (LongCat)Step 5 PreviewStepFun
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$0.89$0.75 (best)$1.00
Output$1.47 (best)$2.95$2.70
Cached input——$0.05
Blended (3:1)$1.03 (best)$1.30$1.43
Long-context rateSame rateSame rateSame rate
Price sourceMedian of 1 providersMedian of 1 providersOfficial StepFun (Global) API
Limits
Context window8,192 tokens1,000,000 tokens (best)1,000,000 tokens (best)
Max output8,192 tokens131,072 tokens1,000,000 tokens (best)
Inputs and features
TextYesYesYes
ImagesYesYesYes
PDFsNoNoNo
AudioNoNoNo
VideoNoNoYes
ReasoningNoYesYeslow · medium · high
Tool callingNoYesYes
Structured outputNoNoYes
Availability
WeightsOpenProprietaryProprietary
API model ID——step-5-preview
API providers227 (best)
ReleasedJan 27, 2026Sep 25, 2026Sep 16, 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.

  • DeepSeek OCR 2$11.83
  • LongCat-2.5-Preview$13.40
  • Step 5 Preview$15.40
04 — Questions

Which should you choose?

Which is better: DeepSeek OCR 2, LongCat-2.5-Preview or Step 5 Preview?

Step 5 Preview is the better all-round choice, scoring 57/100 against LongCat-2.5-Preview (52) and DeepSeek OCR 2 (32). It leads on inputs & features. DeepSeek OCR 2 wins on price. 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, DeepSeek OCR 2, LongCat-2.5-Preview or Step 5 Preview?

DeepSeek OCR 2 is cheaper at $0.89 input / $1.47 output per million tokens (median across 1 API provider). LongCat-2.5-Preview costs $0.75 input / $2.95 output per million tokens (median across 1 API provider); Step 5 Preview costs $1.00 input / $2.70 output per million tokens (official StepFun (Global) API price). At a typical mix of three input tokens to one output token, that is $1.03 per million tokens for DeepSeek OCR 2 versus $1.30 for LongCat-2.5-Preview (1.3× as much) and $1.43 for Step 5 Preview (1.4× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. DeepSeek OCR 2 has not been scored yet, LongCat-2.5-Preview has not been scored yet and Step 5 Preview has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for DeepSeek OCR 2, LongCat-2.5-Preview and Step 5 Preview yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that DeepSeek OCR 2 does not support tool calling, which most coding agents need.

Which has the bigger context window?

LongCat-2.5-Preview and Step 5 Preview have the largest context windows (1,000,000 and 1,000,000 tokens), against 8,192 for DeepSeek OCR 2. Maximum output per response: DeepSeek OCR 2 up to 8,192, LongCat-2.5-Preview up to 131,072, Step 5 Preview up to 1,000,000 tokens.

Which can read images, PDFs, audio or video?

DeepSeek OCR 2 accepts text and images; LongCat-2.5-Preview accepts text and images; Step 5 Preview accepts text, images and video. Step 5 Preview handles the widest range of inputs.

Are any of these open source?

DeepSeek OCR 2 publishes its weights and can be self-hosted; LongCat-2.5-Preview and Step 5 Preview is proprietary.

Which is newer?

LongCat-2.5-Preview is the newest, released Sep 25, 2026. Step 5 Preview came out Sep 16, 2026; DeepSeek OCR 2 came out Jan 27, 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.