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Comparison · 3 models · Updated Nov 2, 2026

Hermes 4 405B vs Jamba Large vs Qwen MT Plus

Hermes 4 405B comes out ahead, 35 to 29 and 11 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Nous Research

    Hermes 4 405B

    Released Aug 26, 2025

    35/100
    • ECI—
    • Price$1.00 / $3.00
    • Context131K
  2. AI21 Labs

    Jamba Large

    Released Jul 3, 2025

    29/100
    • ECI—
    • Price$2.00 / $8.00
    • Context256K
  3. Alibaba (Qwen)

    Qwen MT Plus

    Released Jul 24, 2025

    11/100
    • ECI—
    • Price$2.46 / $7.37
    • Context16K
01 — Verdict

Hermes 4 405B is our pick

Hermes 4 405B is the better all-round choice, scoring 35/100 against Jamba Large (29) and Qwen MT Plus (11). It leads on price. Jamba Large wins 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 priceHermes 4 405BHermes 4 405B $1.50 · Jamba Large $3.50 · Qwen MT Plus $3.69 per 1M tokens (3:1 blend)
  • Longest contextJamba LargeJamba Large 256,000 · Hermes 4 405B 131,072 · Qwen MT Plus 16,384 tokens
  • Widest inputsSame inputsHermes 4 405B: Text · Jamba Large: Text · Qwen MT Plus: Text
  • Self-hostingHermes 4 405B and Jamba LargePublishes downloadable weights
How the score is built
MeasureWeightHermes 4 405BJamba LargeQwen MT Plus
Price50%402322
Inputs & features30%35350
Context window20%25360
Overall100%35/10029/10011/100

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.

Hermes 4 405B vs Jamba Large vs Qwen MT Plus specifications side by side
SpecificationHermes 4 405BNous ResearchJamba LargeAI21 LabsQwen MT PlusAlibaba (Qwen)
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$1.00 (best)$2.00$2.46
Output$3.00 (best)$8.00$7.37
Cached input———
Blended (3:1)$1.50 (best)$3.50$3.69
Long-context rateSame rateSame rateSame rate
Price sourceMedian of 5 providersOfficial AI21 Labs APIOfficial Alibaba API
Limits
Context window131,072 tokens256,000 tokens (best)16,384 tokens
Max output117,964 tokens (best)4,096 tokens8,192 tokens
Inputs and features
TextYesYesYes
ImagesNoNoNo
PDFsNoNoNo
AudioNoNoNo
VideoNoNoNo
ReasoningYesNoNo
Tool callingYesYesNo
Structured outputNoYesNo
Availability
WeightsOpenOpenProprietary
API model ID—jamba-largeqwen-mt-plus
API providers5 (best)13
ReleasedAug 26, 2025Jul 3, 2025Jul 24, 2025
Knowledge cutoffAug 31, 2024Aug 22, 2024—
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.

  • Hermes 4 405B$16.00
  • Jamba Large$36.00
  • Qwen MT Plus$39.34
04 — Questions

Which should you choose?

Which is better: Hermes 4 405B, Jamba Large or Qwen MT Plus?

Hermes 4 405B is the better all-round choice, scoring 35/100 against Jamba Large (29) and Qwen MT Plus (11). It leads on price. Jamba Large wins 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, Hermes 4 405B, Jamba Large or Qwen MT Plus?

Hermes 4 405B is cheaper at $1.00 input / $3.00 output per million tokens (median across 5 API providers). Jamba Large costs $2.00 input / $8.00 output per million tokens (official AI21 Labs API price); Qwen MT Plus costs $2.46 input / $7.37 output per million tokens (official Alibaba API price). At a typical mix of three input tokens to one output token, that is $1.50 per million tokens for Hermes 4 405B versus $3.50 for Jamba Large (2.3× as much) and $3.69 for Qwen MT Plus (2.5× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Hermes 4 405B has not been scored yet, Jamba Large has not been scored yet and Qwen MT Plus has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Hermes 4 405B, Jamba Large and Qwen MT Plus yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that Qwen MT Plus does not support tool calling, which most coding agents need.

Which has the bigger context window?

Jamba Large has the largest context window at 256,000 tokens, against 131,072 for Hermes 4 405B and 16,384 for Qwen MT Plus. Maximum output per response: Hermes 4 405B up to 117,964, Jamba Large up to 4,096, Qwen MT Plus up to 8,192 tokens.

Which can read images, PDFs, audio or video?

Hermes 4 405B accepts text; Jamba Large accepts text; Qwen MT Plus accepts text. They handle the same number of input types.

Are any of these open source?

Hermes 4 405B and Jamba Large publishes its weights and can be self-hosted; Qwen MT Plus is proprietary.

Which is newer?

Hermes 4 405B is the newest, released Aug 26, 2025. Qwen MT Plus came out Jul 24, 2025; Jamba Large came out Jul 3, 2025. Knowledge cutoff: Hermes 4 405B Aug 31, 2024, Jamba Large Aug 22, 2024.

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.