API cost decision in 10 seconds

Qwen3.5-122B-A10B vs Kimi K2.5

Pick Qwen3.5-122B-A10B when budget is the priority.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Qwen3.5-122B-A10B when budget is the priority.

On the standard 1M input plus 500K output workload, Qwen3.5-122B-A10B is estimated at $1.3 vs $1.35 for Kimi K2.5, saving $0.05 (3.7% lower).

Cost-first pickQwen3.5-122B-A10B
Context-first pickBoth models
Sample savings$0.053.7%
10x traffic gap$0.5

The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $0.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Cost winner changes by workload shape: input-heavy / RAG favors Qwen3.5-122B-A10B, balanced workload favors Kimi K2.5, and output-heavy chatbot favors Kimi K2.5.

Workload shapeToken mixBetter pickQwen3.5-122B-A10BKimi K2.5
Input-heavy / RAG5M input + 500K outputQwen3.5-122B-A10B$2.34$2.95
Balanced workload1M input + 1M outputKimi K2.5$2.34$2.3
Output-heavy chatbot1M input + 5M outputKimi K2.5$10.66$9.9
Cheaper input Qwen3.5-122B-A10B $0.26 vs $0.4 / 1M

Qwen3.5-122B-A10B is $0.14 cheaper per 1M input tokens (35% lower; 1.54x difference).

Cheaper output Kimi K2.5 $2.08 vs $1.9 / 1M

Kimi K2.5 is $0.18 cheaper per 1M output tokens (8.7% lower; 1.09x difference).

Larger context Tie 262.14K vs 262.14K

Both models report the same context window at 262.14K tokens.

Sample workload Qwen3.5-122B-A10B $1.3 vs $1.35

Qwen3.5-122B-A10B is $0.05 cheaper on the standard workload (3.7% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Qwen3.5-122B-A10B Calculating… Estimated API cost
Kimi K2.5 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

Qwen3.5-122B-A10B has the lower input price; Kimi K2.5 has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, Qwen3.5-122B-A10B is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $1.3 for Qwen3.5-122B-A10B and $1.35 for Kimi K2.5.

Best Fit

Choose Qwen3.5-122B-A10B when you care most about lower input-token price.

Choose Kimi K2.5 when you care most about lower output-token price.

Decision Notes
  • On the standard 1M input plus 500K output workload, Qwen3.5-122B-A10B is estimated at $1.3 vs $1.35 for Kimi K2.5, saving $0.05 (3.7% lower).
  • Qwen3.5-122B-A10B is $0.05 cheaper on the standard workload (3.7% lower).
  • Qwen3.5-122B-A10B is $0.14 cheaper per 1M input tokens (35% lower; 1.54x difference).
  • Kimi K2.5 is $0.18 cheaper per 1M output tokens (8.7% lower; 1.09x difference).
  • Both models report the same context window at 262.14K tokens.
Head-to-Head Specs
FeatureQwen3.5-122B-A10B
(Qwen)
Kimi K2.5
(MoonshotAI)
Input Price
prompt tokens per 1M
$0.26$0.4
Completion Price
per 1M tokens
$2.08$1.9
Sample Workload Cost
1M input + 500K output
$1.3$1.35
Context Window262.14K262.14K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionQwen3.5-122B-A10BOn the standard 1M input plus 500K output workload, Qwen3.5-122B-A10B is estimated at $1.3 vs $1.35 for Kimi K2.5, saving $0.05 (3.7% lower).
High-volume input processingQwen3.5-122B-A10BLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsKimi K2.5Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workTieA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Larger context near this budget
Popular competitors
  • No popular competitor is currently available.

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.

Open provider hubs

Qwen catalog

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

Open Qwen models

MoonshotAI catalog

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

Open MoonshotAI models
Qwen3.5-122B-A10B

The Qwen3.5 122B-A10B native vision-language model is built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. In terms of...

Kimi K2.5

Kimi K2.5 is Moonshot AI's native multimodal model, delivering state-of-the-art visual coding capability and a self-directed agent swarm paradigm. Built on Kimi K2 with continued pretraining over approximately 15T mixed...