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Comparison · 2 models · Updated Oct 4, 2026

Palmyra X4 vs Palmyra X5

Palmyra X5 comes out ahead, 48 to 25 on our weighted score, and it is the cheaper option too.

  1. Writer

    Palmyra X4

    Released Oct 9, 2024

    25/100
    • ECI—
    • Price$2.50 / $10.00
    • Context128K
  2. Our pick

    Writer

    Palmyra X5

    Released Apr 28, 2025

    48/100
    • ECI—
    • Price$0.60 / $6.00
    • Context1M
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Palmyra X5 is our pick

Palmyra X5 is the better all-round choice, scoring 48/100 against Palmyra X4 (25). It leads on price, inputs & features and 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 pricePalmyra X5Palmyra X5 $1.95 · Palmyra X4 $4.38 per 1M tokens (3:1 blend)
  • Longest contextPalmyra X5Palmyra X5 1,000,000 · Palmyra X4 128,000 tokens
  • Widest inputsPalmyra X5Palmyra X4: Text · Palmyra X5: Text, Images
  • Self-hostingNo open weightsBoth are available only through APIs
How the score is built
MeasureWeightPalmyra X4Palmyra X5
Price50%1936
Inputs & features30%3560
Context window20%2460
Overall100%25/10048/100

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.

Palmyra X4 vs Palmyra X5 specifications side by side
SpecificationPalmyra X4WriterPalmyra X5Writer
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$2.50$0.60 (best)
Output$10.00$6.00 (best)
Cached input——
Blended (3:1)$4.38$1.95 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 1 providersMedian of 1 providers
Limits
Context window128,000 tokens1,000,000 tokens (best)
Max output4,096 tokens8,192 tokens (best)
Inputs and features
TextYesYes
ImagesNoYes
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingYesYes
Structured outputNoNo
Availability
WeightsProprietaryProprietary
API model ID——
API providers11
ReleasedOct 9, 2024Apr 28, 2025
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.

  • Palmyra X4$45.00
  • Palmyra X5$18.00
04 — Questions

Which should you choose?

Which is better: Palmyra X4 or Palmyra X5?

Palmyra X5 is the better all-round choice, scoring 48/100 against Palmyra X4 (25). It leads on price, inputs & features and 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, Palmyra X4 or Palmyra X5?

Palmyra X5 is cheaper at $0.60 input / $6.00 output per million tokens (median across 1 API provider). Palmyra X4 costs $2.50 input / $10.00 output per million tokens (median across 1 API provider). At a typical mix of three input tokens to one output token, that is $1.95 per million tokens for Palmyra X5 versus $4.38 for Palmyra X4 (2.2× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Palmyra X4 has not been scored yet and Palmyra X5 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Palmyra X4 and Palmyra X5 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?

Palmyra X5 has the largest context window at 1,000,000 tokens, against 128,000 for Palmyra X4. Maximum output per response: Palmyra X4 up to 4,096, Palmyra X5 up to 8,192 tokens.

Which can read images, PDFs, audio or video?

Palmyra X4 accepts text; Palmyra X5 accepts text and images. Palmyra X5 handles the widest range of inputs.

Are any of these open source?

No. Palmyra X4 and Palmyra X5 are proprietary and only available through APIs and apps.

Which is newer?

Palmyra X5 is the newest, released Apr 28, 2025. Palmyra X4 came out Oct 9, 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.