API cost decision in 10 seconds

NewQwen3.8 2.4T A95B vs Solar Pro 4

Pick Solar Pro 4 for lower cost; pick Qwen3.8 2.4T A95B 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 Solar Pro 4 for lower cost; pick Qwen3.8 2.4T A95B only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Solar Pro 4 is estimated at $0.09 vs $5 for Qwen3.8 2.4T A95B, saving $4.91 (98.2% lower).

Cost-first pickSolar Pro 4
Context-first pickQwen3.8 2.4T A95B
Sample savings$4.9198.2%
10x traffic gap$49.1

Qwen3.8 2.4T A95B has more context, but Solar Pro 4 saves $4.91 on the standard workload. At 10x that traffic, the same price gap is about $49.1. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Solar Pro 4 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickQwen3.8 2.4T A95BSolar Pro 4
Input-heavy / RAG5M input + 500K outputSolar Pro 4$13$0.21
Balanced workload1M input + 1M outputSolar Pro 4$8$0.15
Output-heavy chatbot1M input + 5M outputSolar Pro 4$32$0.63
Cheaper input Solar Pro 4 $2 vs $0.03 / 1M

Solar Pro 4 is $1.97 cheaper per 1M input tokens (98.5% lower; 66.7x difference).

Cheaper output Solar Pro 4 $6 vs $0.12 / 1M

Solar Pro 4 is $5.88 cheaper per 1M output tokens (98% lower; 50x difference).

Larger context Qwen3.8 2.4T A95B 1.05M vs 524.29K

Qwen3.8 2.4T A95B has 524.29K more context (2x larger).

Sample workload Solar Pro 4 $5 vs $0.09

Solar Pro 4 is $4.91 cheaper on the standard workload (98.2% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Qwen3.8 2.4T A95B Calculating… Estimated API cost
Solar Pro 4 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

Solar Pro 4 has the lower input price; Solar Pro 4 has the lower output price; Qwen3.8 2.4T A95B offers the larger context window. For the 1M input plus 500K output sample, Solar Pro 4 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $5 for Qwen3.8 2.4T A95B and $0.09 for Solar Pro 4.

Best Fit

Choose Qwen3.8 2.4T A95B when you care most about larger context window.

Choose Solar Pro 4 when you care most about lower input-token price, and lower output-token price.

Decision Notes
  • On the standard 1M input plus 500K output workload, Solar Pro 4 is estimated at $0.09 vs $5 for Qwen3.8 2.4T A95B, saving $4.91 (98.2% lower).
  • Solar Pro 4 is $4.91 cheaper on the standard workload (98.2% lower).
  • Solar Pro 4 is $1.97 cheaper per 1M input tokens (98.5% lower; 66.7x difference).
  • Solar Pro 4 is $5.88 cheaper per 1M output tokens (98% lower; 50x difference).
  • Qwen3.8 2.4T A95B has 524.29K more context (2x larger).
Head-to-Head Specs
FeatureNewQwen3.8 2.4T A95B
(Qwen)
Solar Pro 4
(Upstage)
Input Price
prompt tokens per 1M
$2$0.03
Completion Price
per 1M tokens
$6$0.12
Sample Workload Cost
1M input + 500K output
$5$0.09
Context Window1.05M524.29K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionSolar Pro 4On the standard 1M input plus 500K output workload, Solar Pro 4 is estimated at $0.09 vs $5 for Qwen3.8 2.4T A95B, saving $4.91 (98.2% lower).
High-volume input processingSolar Pro 4Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsSolar Pro 4Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workQwen3.8 2.4T A95BA larger context window leaves more room for retrieved passages, conversation history, or source files.

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