API cost decision in 10 seconds

Mistral Medium 3.5 vs 🔥Kimi K2.6

Pick Kimi K2.6 when budget is the priority.

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

Budget verdict

Pick Kimi K2.6 when budget is the priority.

On the standard 1M input plus 500K output workload, Kimi K2.6 is estimated at $2.48 vs $5.25 for Mistral Medium 3.5, saving $2.77 (52.9% lower).

Cost-first pickKimi K2.6
Context-first pickTie
Sample savings$2.7752.9%
10x traffic gap$27.75

The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $27.75. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Kimi K2.6 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickMistral Medium 3.5Kimi K2.6
Input-heavy / RAG 5M input + 500K output Kimi K2.6 $11.25 $5.39
Balanced workload 1M input + 1M output Kimi K2.6 $9 $4.22
Output-heavy chatbot 1M input + 5M output Kimi K2.6 $39 $18.18
Cheaper inputKimi K2.6$1.5 vs $0.73 / 1M
Cheaper outputKimi K2.6$7.5 vs $3.49 / 1M
Larger contextTie262.14K vs 262.14K
Sample workloadKimi K2.6$5.25 vs $2.48

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Mistral Medium 3.5Calculating…Estimated API cost
Kimi K2.6Calculating…Estimated API cost
Cheaper for this workloadCalculating…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

Kimi K2.6 has the lower input price, Kimi K2.6 has the lower output price, and Tie offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $5.25 for Mistral Medium 3.5 and $2.48 for Kimi K2.6.

Best Fit

Choose Mistral Medium 3.5 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Choose Kimi K2.6 when you care most about lower input-token price, and lower output-token price.

Head-to-Head Specs
FeatureMistral Medium 3.5
(Mistral)		🔥Kimi K2.6
(MoonshotAI)
Input Price
prompt tokens per 1M		$1.5$0.73
Completion Price
per 1M tokens		$7.5$3.49
Sample Workload Cost
1M input + 500K output		$5.25$2.48
Context Window262.14K262.14K
Release Date2026-04-302026-04-20
Popularity#12
Mistral Medium 3.5

Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...

Kimi K2.6

Kimi K2.6 is Moonshot AI's next-generation multimodal model, designed for long-horizon coding, coding-driven UI/UX generation, and multi-agent orchestration. It handles complex end-to-end coding tasks across Python, Rust, and Go, and...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionKimi K2.6On the standard 1M input plus 500K output workload, Kimi K2.6 is estimated at $2.48 vs $5.25 for Mistral Medium 3.5, saving $2.77 (52.9% lower).
High-volume input processingKimi K2.6Lower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsKimi K2.6Lower 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 and source files.