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gpt-oss-safeguard-20b
vs
Kimi K2 Thinking

Compare performance metrics, pricing, and capabilities of these AI models.

Key Differences
Context Length
Lower
gpt-oss-safeguard-20b: 131K (disadvantage)
Kimi K2 Thinking: 262K (advantage)
Cost Efficiency
Lower Cost
Prompt: $0.07M vs $0.55M
Completion: $0.30M vs $2.25M

Capabilities

gpt-oss-safeguard-20b
Modality: text->text
Inputs: text
Kimi K2 Thinking
Modality: text->text
Inputs: text
O
gpt-oss-safeguard-20b
openai/gpt-oss-safeguard-20b

gpt-oss-safeguard-20b is a safety reasoning model from OpenAI built upon gpt-oss-20b. This open-weight, 21B-parameter Mixture-of-Experts (MoE) model o...

Context Length131K
Prompt Price$0.07M
ReleasedOctober 29, 2025
Supports:
text->text
M
Kimi K2 Thinking
moonshotai/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 t...

Context Length262K
Prompt Price$0.55M
ReleasedNovember 6, 2025
Supports:
text->text
Detailed Comparison
Feature
openai logo
gpt-oss-safeguard-20b
Kimi K2 Thinking
Context Length131K262K
Prompt Price$0.07M$0.55M
Completion Price$0.30M$2.25M
Modalitytext->texttext->text
Release DateOctober 29, 2025November 6, 2025
Analysis & Recommendations

Quick Summary

This comparison reveals key trade-offs between gpt-oss-safeguard-20b and Kimi K2 Thinking. Kimi K2 Thinking offers a larger context window of 262K compared to gpt-oss-safeguard-20b's 131K, though Kimi K2 Thinking comes at a higher cost.

gpt-oss-safeguard-20b Strengths

  • Competitive context size (131K)
  • More cost-effective per token
  • Specialized for text tasks
  • Proven and stable model

Kimi K2 Thinking Strengths

  • Larger context window (262K) for processing longer documents
  • Premium pricing for high-quality output
  • Specialized for text tasks
  • Latest generation model

When to Use Each Model

Choose gpt-oss-safeguard-20b when:
  • • You need competitive context capability for complex tasks
  • • Cost efficiency is important in your use case
  • • Working with text-based tasks that benefit from deep analysis
Choose Kimi K2 Thinking when:
  • • You need the larger context window for long-form content
  • • Cost efficiency is not the primary concern for your budget
  • • Working with text-based tasks that require advanced processing
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