API cost decision in 10 seconds

🔥GPT-4o-mini vs Kimi K2 0711

Pick GPT-4o-mini for lower cost; pick Kimi K2 0711 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 GPT-4o-mini for lower cost; pick Kimi K2 0711 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, GPT-4o-mini is estimated at $0.45 vs $1.72 for Kimi K2 0711, saving $1.27 (73.8% lower).

Cost-first pickGPT-4o-mini
Context-first pickKimi K2 0711
Sample savings$1.2773.8%
10x traffic gap$12.7

Kimi K2 0711 has more context, but GPT-4o-mini saves $1.27 on the standard workload. At 10x that traffic, the same price gap is about $12.7. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

GPT-4o-mini stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGPT-4o-miniKimi K2 0711
Input-heavy / RAG5M input + 500K outputGPT-4o-mini$1.05$4
Balanced workload1M input + 1M outputGPT-4o-mini$0.75$2.87
Output-heavy chatbot1M input + 5M outputGPT-4o-mini$3.15$12.07
Cheaper input GPT-4o-mini $0.15 vs $0.57 / 1M

GPT-4o-mini is $0.42 cheaper per 1M input tokens (73.7% lower; 3.8x difference).

Cheaper output GPT-4o-mini $0.6 vs $2.3 / 1M

GPT-4o-mini is $1.7 cheaper per 1M output tokens (73.9% lower; 3.83x difference).

Larger context Kimi K2 0711 128K vs 131.07K

Kimi K2 0711 has 3.07K more context (1.02x larger).

Sample workload GPT-4o-mini $0.45 vs $1.72

GPT-4o-mini is $1.27 cheaper on the standard workload (73.8% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GPT-4o-mini Calculating… Estimated API cost
Kimi K2 0711 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

GPT-4o-mini has the lower input price; GPT-4o-mini has the lower output price; Kimi K2 0711 offers the larger context window. For the 1M input plus 500K output sample, GPT-4o-mini is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.45 for GPT-4o-mini and $1.72 for Kimi K2 0711.

Best Fit

Choose GPT-4o-mini when you care most about lower input-token price, and lower output-token price.

Choose Kimi K2 0711 when you care most about larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, GPT-4o-mini is estimated at $0.45 vs $1.72 for Kimi K2 0711, saving $1.27 (73.8% lower).
  • GPT-4o-mini is $1.27 cheaper on the standard workload (73.8% lower).
  • GPT-4o-mini is $0.42 cheaper per 1M input tokens (73.7% lower; 3.8x difference).
  • GPT-4o-mini is $1.7 cheaper per 1M output tokens (73.9% lower; 3.83x difference).
  • Kimi K2 0711 has 3.07K more context (1.02x larger).
Head-to-Head Specs
Feature🔥GPT-4o-mini
(OpenAI)
Kimi K2 0711
(MoonshotAI)
Input Price
prompt tokens per 1M
$0.15$0.57
Completion Price
per 1M tokens
$0.6$2.3
Sample Workload Cost
1M input + 500K output
$0.45$1.72
Context Window128K131.07K
Release Date
Popularity#16#140

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGPT-4o-miniOn the standard 1M input plus 500K output workload, GPT-4o-mini is estimated at $0.45 vs $1.72 for Kimi K2 0711, saving $1.27 (73.8% lower).
High-volume input processingGPT-4o-miniLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsGPT-4o-miniLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workKimi K2 0711A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • gpt-oss-120b (free) can replace GPT-4o-mini when lower sample workload cost matters most: $0.
  • gpt-oss-20b (free) can replace GPT-4o-mini when lower sample workload cost matters most: $0.
  • gpt-oss-20b can replace GPT-4o-mini when lower sample workload cost matters most: $0.1.
  • gpt-oss-120b can replace GPT-4o-mini when lower sample workload cost matters most: $0.13.
Larger context near this budget

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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OpenAI catalog

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MoonshotAI catalog

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

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GPT-4o-mini

GPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more affordable...

Kimi K2 0711

Kimi K2 Instruct is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32 billion active per forward pass. It is optimized for...