API cost decision in 10 seconds

GLM 4.7 Flash vs Kimi K2 Thinking

Pick GLM 4.7 Flash for lower cost; pick Kimi K2 Thinking only if the larger context window matters more.

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

Budget verdict

Pick GLM 4.7 Flash for lower cost; pick Kimi K2 Thinking only if the larger context window matters more.

On the standard 1M input plus 500K output workload, GLM 4.7 Flash is estimated at $0.26 vs $1.85 for Kimi K2 Thinking, saving $1.59 (85.9% lower).

Cost-first pickGLM 4.7 Flash
Context-first pickKimi K2 Thinking
Sample savings$1.5985.9%
10x traffic gap$15.9

Kimi K2 Thinking has more context, but GLM 4.7 Flash saves $1.59 on the standard workload. At 10x that traffic, the same price gap is about $15.9. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

GLM 4.7 Flash stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGLM 4.7 FlashKimi K2 Thinking
Input-heavy / RAG5M input + 500K outputGLM 4.7 Flash$0.5$4.25
Balanced workload1M input + 1M outputGLM 4.7 Flash$0.46$3.1
Output-heavy chatbot1M input + 5M outputGLM 4.7 Flash$2.06$13.1
Cheaper input GLM 4.7 Flash $0.06 vs $0.6 / 1M

GLM 4.7 Flash is $0.54 cheaper per 1M input tokens (90% lower; 10x difference).

Cheaper output GLM 4.7 Flash $0.4 vs $2.5 / 1M

GLM 4.7 Flash is $2.1 cheaper per 1M output tokens (84% lower; 6.25x difference).

Larger context Kimi K2 Thinking 202.75K vs 262.14K

Kimi K2 Thinking has 59.39K more context (1.29x larger).

Sample workload GLM 4.7 Flash $0.26 vs $1.85

GLM 4.7 Flash is $1.59 cheaper on the standard workload (85.9% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GLM 4.7 Flash Calculating… Estimated API cost
Kimi K2 Thinking 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

GLM 4.7 Flash has the lower input price; GLM 4.7 Flash has the lower output price; Kimi K2 Thinking offers the larger context window. For the 1M input plus 500K output sample, GLM 4.7 Flash is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.26 for GLM 4.7 Flash and $1.85 for Kimi K2 Thinking.

Best Fit

Choose GLM 4.7 Flash when you care most about lower input-token price, and lower output-token price.

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

Decision Notes
  • On the standard 1M input plus 500K output workload, GLM 4.7 Flash is estimated at $0.26 vs $1.85 for Kimi K2 Thinking, saving $1.59 (85.9% lower).
  • GLM 4.7 Flash is $1.59 cheaper on the standard workload (85.9% lower).
  • GLM 4.7 Flash is $0.54 cheaper per 1M input tokens (90% lower; 10x difference).
  • GLM 4.7 Flash is $2.1 cheaper per 1M output tokens (84% lower; 6.25x difference).
  • Kimi K2 Thinking has 59.39K more context (1.29x larger).
Head-to-Head Specs
FeatureGLM 4.7 Flash
(Z.ai)
Kimi K2 Thinking
(MoonshotAI)
Input Price
prompt tokens per 1M
$0.06$0.6
Completion Price
per 1M tokens
$0.4$2.5
Sample Workload Cost
1M input + 500K output
$0.26$1.85
Context Window202.75K262.14K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGLM 4.7 FlashOn the standard 1M input plus 500K output workload, GLM 4.7 Flash is estimated at $0.26 vs $1.85 for Kimi K2 Thinking, saving $1.59 (85.9% lower).
High-volume input processingGLM 4.7 FlashLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsGLM 4.7 FlashLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workKimi K2 ThinkingA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • GLM 4.5 Air (free) can replace GLM 4.7 Flash when lower sample workload cost matters most: $0.
  • GLM 4 32B can replace GLM 4.7 Flash when lower sample workload cost matters most: $0.15.
  • Kimi K2.5 can replace Kimi K2 Thinking when lower sample workload cost matters most: $1.35.
  • Kimi K2 0711 can replace Kimi K2 Thinking when lower sample workload cost matters most: $1.72.
Larger context near this budget
Popular competitors
  • No popular competitor is currently available.

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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Z.ai catalog

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MoonshotAI catalog

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GLM 4.7 Flash

As a 30B-class SOTA model, GLM-4.7-Flash offers a new option that balances performance and efficiency. It is further optimized for agentic coding use cases, strengthening coding capabilities, long-horizon task planning,...

Kimi K2 Thinking

Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...