API cost decision in 10 seconds

KAT-Coder-Pro V2 vs Palmyra X5

Pick KAT-Coder-Pro V2 for lower cost; pick Palmyra X5 only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick KAT-Coder-Pro V2 for lower cost; pick Palmyra X5 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, KAT-Coder-Pro V2 is estimated at $0.9 vs $3.6 for Palmyra X5, saving $2.7 (75% lower).

Cost-first pickKAT-Coder-Pro V2
Context-first pickPalmyra X5
Sample savings$2.775%
10x traffic gap$27

Palmyra X5 has more context, but KAT-Coder-Pro V2 saves $2.7 on the standard workload. At 10x that traffic, the same price gap is about $27. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

KAT-Coder-Pro V2 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickKAT-Coder-Pro V2Palmyra X5
Input-heavy / RAG5M input + 500K outputKAT-Coder-Pro V2$2.1$6
Balanced workload1M input + 1M outputKAT-Coder-Pro V2$1.5$6.6
Output-heavy chatbot1M input + 5M outputKAT-Coder-Pro V2$6.3$30.6
Cheaper input KAT-Coder-Pro V2 $0.3 vs $0.6 / 1M

KAT-Coder-Pro V2 is $0.3 cheaper per 1M input tokens (50% lower; 2x difference).

Cheaper output KAT-Coder-Pro V2 $1.2 vs $6 / 1M

KAT-Coder-Pro V2 is $4.8 cheaper per 1M output tokens (80% lower; 5x difference).

Larger context Palmyra X5 256K vs 1.04M

Palmyra X5 has 784K more context (4.06x larger).

Sample workload KAT-Coder-Pro V2 $0.9 vs $3.6

KAT-Coder-Pro V2 is $2.7 cheaper on the standard workload (75% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
KAT-Coder-Pro V2 Calculating… Estimated API cost
Palmyra X5 Calculating… Estimated API cost
Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

KAT-Coder-Pro V2 has the lower input price; KAT-Coder-Pro V2 has the lower output price; Palmyra X5 offers the larger context window. For the 1M input plus 500K output sample, KAT-Coder-Pro V2 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.9 for KAT-Coder-Pro V2 and $3.6 for Palmyra X5.

Best Fit

Choose KAT-Coder-Pro V2 when you care most about lower input-token price, and lower output-token price.

Choose Palmyra X5 when you care most about larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, KAT-Coder-Pro V2 is estimated at $0.9 vs $3.6 for Palmyra X5, saving $2.7 (75% lower).
  • KAT-Coder-Pro V2 is $2.7 cheaper on the standard workload (75% lower).
  • KAT-Coder-Pro V2 is $0.3 cheaper per 1M input tokens (50% lower; 2x difference).
  • KAT-Coder-Pro V2 is $4.8 cheaper per 1M output tokens (80% lower; 5x difference).
  • Palmyra X5 has 784K more context (4.06x larger).
Head-to-Head Specs
FeatureKAT-Coder-Pro V2
(Kwaipilot)		Palmyra X5
(Writer)
Input Price
prompt tokens per 1M		$0.3$0.6
Completion Price
per 1M tokens		$1.2$6
Sample Workload Cost
1M input + 500K output		$0.9$3.6
Context Window256K1.04M
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionKAT-Coder-Pro V2On the standard 1M input plus 500K output workload, KAT-Coder-Pro V2 is estimated at $0.9 vs $3.6 for Palmyra X5, saving $2.7 (75% lower).
High-volume input processingKAT-Coder-Pro V2Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsKAT-Coder-Pro V2Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workPalmyra X5A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • No lower-cost same-provider swap is currently tracked for this pair.
Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.23 sample workload cost.
  • Grok 4.20 offers 2M context with $2.5 sample workload cost.
  • Owl Alpha offers 1.05M context with $0 sample workload cost.
  • DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

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Kwaipilot catalog

Review all tracked Kwaipilot models before deciding whether this matchup is the right shortlist.

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Writer catalog

Check other Writer models with comparable pricing, context, or release timing.

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KAT-Coder-Pro V2

KAT-Coder-Pro V2 is the latest high-performance model in KwaiKAT’s KAT-Coder series, designed for complex enterprise-grade software engineering and SaaS integration. It builds on the agentic coding strengths of earlier versions,...

Palmyra X5

Palmyra X5 is Writer's most advanced model, purpose-built for building and scaling AI agents across the enterprise. It delivers industry-leading speed and efficiency on context windows up to 1 million...