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GPT OSS 20B vs Kimi K2.7 Code

At a glance
OpenAIGPT OSS 20B

OpenAI's compact open-weights model for efficient inference.

131K ctx$0.03/$0.14 per M
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 OSS 20B
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Agentic
Terminal Tasks3.4%
MoonshotAIKimi K2.7 Code
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI81.8
Reasoning & Knowledge
Graduate Science89.5%Factual Recall39.2%
Math
Competition Math96.4%
Agentic
Terminal Tasks—
Specs
OpenAIGPT OSS 20B
131K
Context
16K
Max output
Aug 2025
Released
MoonshotAIKimi K2.7 Code
262K
Context
16K
Max output
Jun 2026
Released
Capabilities
OpenAIGPT OSS 20B
Vision
Audio
Reasoning
MoonshotAIKimi K2.7 Code
Vision
Audio
Reasoning
Pricing
OpenAIGPT OSS 20B
Live pricing, shown before you run
Input$0.03/M tokens
Output$0.14/M tokens
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 OSS 20BGo to model
Chat with Kimi K2.7 CodeGo to model
Frequently Asked Questions: GPT OSS 20B vs Kimi K2.7 Code▼

Which is better, GPT OSS 20B or Kimi K2.7 Code?

▼

Both GPT OSS 20B and Kimi K2.7 Code are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, GPT OSS 20B or Kimi K2.7 Code?

▼

GPT OSS 20B has a lower blended cost. GPT OSS 20B: $0.03 input / $0.14 output. Kimi K2.7 Code: $0.74 input / $3.50 output.

Which has a larger context window, GPT OSS 20B or Kimi K2.7 Code?

▼

Kimi K2.7 Code has a larger context window: GPT OSS 20B supports 131K tokens vs Kimi K2.7 Code at 262K tokens.

Do both GPT OSS 20B and Kimi K2.7 Code support vision?

▼

Kimi K2.7 Code supports vision/image input, but GPT OSS 20B does not.

What are the key differences between GPT OSS 20B and Kimi K2.7 Code?

▼

Key differences: GPT OSS 20B is significantly cheaper; only Kimi K2.7 Code supports vision input. 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 OSS 20B and Kimi K2.7 Code for free on idapt.app to see which performs better for your specific needs.

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