Model Comparison

GLM-5 vs GPT Image 2Which is better in 2026?

Comparing GLM-5 and GPT Image 2 across benchmarks, pricing, and capabilities.

Verdict: GLM-5 vs GPT Image 2 — which is better?

GLM-5 (by Zhipu AI) and GPT Image 2 (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, GLM-5 is roughly 7.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Choose GLM-5 if…

  • cost matters — it's about 7.3x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose GPT Image 2 if…

  • you want the most recent training data — it shipped Apr 2026
AI Model Comparison Table
Feature
Zhipu AI
GLM-5
OpenAI
GPT Image 2

FAQ

Common questions about GLM-5 vs GPT Image 2.

Which is better, GLM-5 or GPT Image 2?

GLM-5 (Zhipu AI) and GPT Image 2 (OpenAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GLM-5 compare to GPT Image 2 in benchmarks?

GLM-5 scores t2-bench: 89.7%, SWE-Bench Verified: 77.8%, BrowseComp: 75.9%, MCP Atlas: 67.8%, Terminal-Bench 2.0: 56.2%.

Is GLM-5 cheaper than GPT Image 2?

GLM-5 is 5.0x cheaper for input tokens. GLM-5 costs $1.00/M input and $3.20/M output via friendli. GPT Image 2 costs $5.00/M input and $30.00/M output via openai.

What are the context window sizes for GLM-5 and GPT Image 2?

GLM-5 supports 200K tokens and GPT Image 2 supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GLM-5 and GPT Image 2?

Key differences include input pricing ($1.00 vs $5.00/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-5 and GPT Image 2?

GLM-5 is developed by Zhipu AI and GPT Image 2 is developed by OpenAI.

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