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GPT 5.4 Nano vs Kimi K2.7 Code

At a glance
OpenAIGPT 5.4 Nano

Ultra-lightweight GPT-5.4 variant built for speed-critical, high-volume tasks.

79400K ctx$0.20/$1.25 per M#29/92
MoonshotAIKimi K2.7 Code

MoonshotAI's coding-focused Kimi model for end-to-end software engineering.

82262K ctx$0.74/$3.50 per M#20/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
OpenAIGPT 5.4 Nano
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI78.7
Reasoning & Knowledge
Graduate Science78.5%Factual Recall12.0%
Math
Competition Math87.8%Research Math25.9%
Agentic
Novel Reasoning5.7%
MoonshotAIKimi K2.7 Code
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter
Capability
CapabilityECI81.8
Reasoning & Knowledge
Graduate Science89.5%Factual Recall39.2%
Math
Competition Math96.4%Research Math—
Agentic
Novel Reasoning—
Specs
OpenAIGPT 5.4 Nano
400K
Context
128K
Max output
Mar 2026
Released
MoonshotAIKimi K2.7 Code
262K
Context
16K
Max output
Jun 2026
Released
Capabilities
OpenAIGPT 5.4 Nano
Vision
Audio
Reasoning
MoonshotAIKimi K2.7 Code
Vision
Audio
Reasoning
Pricing
OpenAIGPT 5.4 Nano
Live pricing, shown before you run
Input$0.20/M tokens
Output$1.25/M tokens
Cache read$0.02/M tokens
Web search$0.01/search
MoonshotAIKimi K2.7 Code
Live pricing, shown before you run
Input$0.74/M tokens
Output$3.50/M tokens
Cache read$0.15/M tokens
Chat with GPT 5.4 NanoGo to model
Chat with Kimi K2.7 CodeGo to model
Frequently Asked Questions: GPT 5.4 Nano vs Kimi K2.7 Code▼

Which is better, GPT 5.4 Nano or Kimi K2.7 Code?

▼

Based on the Capability Index, Kimi K2.7 Code scores higher (81.8 vs 78.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, GPT 5.4 Nano or Kimi K2.7 Code?

▼

GPT 5.4 Nano has a lower blended cost. GPT 5.4 Nano: $0.20 input / $1.25 output. Kimi K2.7 Code: $0.74 input / $3.50 output.

Which has a larger context window, GPT 5.4 Nano or Kimi K2.7 Code?

▼

GPT 5.4 Nano has a larger context window: GPT 5.4 Nano supports 400K tokens vs Kimi K2.7 Code at 262K tokens.

Do both GPT 5.4 Nano and Kimi K2.7 Code support vision?

▼

Yes, both GPT 5.4 Nano and Kimi K2.7 Code support vision/image input.

What are the key differences between GPT 5.4 Nano and Kimi K2.7 Code?

▼

Key differences: GPT 5.4 Nano is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 5.4 Nano and Kimi K2.7 Code for free on idapt.app to see which performs better for your specific needs.

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