ZMIME
Comparison · 3 models · Updated Oct 4, 2026

Nova Premier vs Jamba Large vs Command A

Nova Premier comes out ahead, 41 to 30 and 24 on our weighted score, though Jamba Large is 30% cheaper per token.

  1. Our pick

    Amazon

    Nova Premier

    Released Apr 30, 2025Deprecated

    41/100
    • ECI—
    • Price$2.50 / $12.50
    • Context1M
  2. AI21 Labs

    Jamba Large

    Released Jul 1, 2025

    30/100
    • ECI—
    • Price$2.00 / $8.00
    • Context256K
  3. Cohere

    Command A

    Released Mar 13, 2025

    24/100
    • ECI—
    • Price$2.50 / $10.00
    • Context256K
01 — Verdict

Nova Premier is our pick

Nova Premier is the better all-round choice, scoring 41/100 against Jamba Large (30) and Command A (24). It leads on inputs & features and context window. Jamba Large 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 priceJamba LargeJamba Large $3.50 · Command A $4.38 · Nova Premier $5.00 per 1M tokens (3:1 blend)
  • Longest contextNova PremierNova Premier 1,000,000 · Jamba Large 256,000 · Command A 256,000 tokens
  • Widest inputsNova PremierNova Premier: Text, Images, PDFs, Video · Jamba Large: Text · Command A: Text
  • Self-hostingJamba Large and Command APublishes downloadable weights
How the score is built
MeasureWeightNova PremierJamba LargeCommand A
Price50%172419
Inputs & features30%703525
Context window20%603636
Overall100%41/10030/10024/100

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 Premier vs Jamba Large vs Command A specifications side by side
SpecificationNova PremierAmazonJamba LargeAI21 LabsCommand ACohere
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$2.50$2.00 (best)$2.50
Output$12.50$8.00 (best)$10.00
Cached input$0.625——
Blended (3:1)$5.00$3.50 (best)$4.38
Long-context rateSame rateSame rateSame rate
Price sourceOfficial Amazon Bedrock APIOfficial AI21 Labs APIOfficial Cohere API
Limits
Context window1,000,000 tokens (best)256,000 tokens256,000 tokens
Max output10,000 tokens (best)4,096 tokens8,000 tokens
Inputs and features
TextYesYesYes
ImagesYesNoNo
PDFsYesNoNo
AudioNoNoNo
VideoYesNoNo
ReasoningNoNoNo
Tool callingYesYesYes
Structured outputNoYesNo
Availability
WeightsProprietaryOpenOpen
API model IDus.amazon.nova-premier-v1:0jamba-largecommand-a-03-2025
API providers113 (best)
ReleasedApr 30, 2025Jul 1, 2025Mar 13, 2025
Knowledge cutoffOct 2024Aug 22, 2024Jun 1, 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.

  • Nova Premier$50.00
  • Jamba Large$36.00
  • Command A$45.00
04 — Questions

Which should you choose?

Which is better: Nova Premier, Jamba Large or Command A?

Nova Premier is the better all-round choice, scoring 41/100 against Jamba Large (30) and Command A (24). It leads on inputs & features and context window. Jamba Large 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, Nova Premier, Jamba Large or Command A?

Jamba Large is cheaper at $2.00 input / $8.00 output per million tokens (official AI21 Labs API price). Command A costs $2.50 input / $10.00 output per million tokens (official Cohere API price); Nova Premier costs $2.50 input / $12.50 output per million tokens (official Amazon Bedrock API price). At a typical mix of three input tokens to one output token, that is $3.50 per million tokens for Jamba Large versus $4.38 for Command A (1.3× as much) and $5.00 for Nova Premier (1.4× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Nova Premier has not been scored yet, Jamba Large has not been scored yet and Command A has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Nova Premier, Jamba Large and Command A 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?

Nova Premier has the largest context window at 1,000,000 tokens, against 256,000 for Jamba Large and 256,000 for Command A. Maximum output per response: Nova Premier up to 10,000, Jamba Large up to 4,096, Command A up to 8,000 tokens.

Which can read images, PDFs, audio or video?

Nova Premier accepts text, images, PDFs and video; Jamba Large accepts text; Command A accepts text. Nova Premier handles the widest range of inputs.

Are any of these open source?

Jamba Large and Command A publishes its weights and can be self-hosted; Nova Premier is proprietary.

Which is newer?

Jamba Large is the newest, released Jul 1, 2025. Nova Premier came out Apr 30, 2025; Command A came out Mar 13, 2025. Knowledge cutoff: Nova Premier Oct 2024, Jamba Large Aug 22, 2024, Command A Jun 1, 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 Oct 4, 2026.