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GLM 5.2 vs GPT 3.5 Turbo Instruct

At a glance
Zhipu AIGLM 5.2

Z.ai's frontier reasoning model for long-context agents and software engineering.

83262K ctx$1.40/$4.40 per M#16/92
OpenAIGPT 3.5 Turbo Instruct

Instruction-following variant of GPT-3.5 for completion-style tasks.

4K ctx$1.50/$2.00 per M
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Zhipu AIGLM 5.2
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI83.4
Reasoning & Knowledge
Graduate Science91.9%Factual Recall38.1%
Math
Competition Math86.4%
Coding
Real-World Coding78.7%
Agentic
Task Horizon—
OpenAIGPT 3.5 Turbo Instruct
CodingInsufficient data
AgenticInsufficient 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—
Coding
Real-World Coding—
Agentic
Task Horizon1min
Specs
Zhipu AIGLM 5.2
262K
Context
128K
Max output
Jun 2026
Released
OpenAIGPT 3.5 Turbo Instruct
4K
Context
4K
Max output
Sep 2023
Released
Capabilities
Zhipu AIGLM 5.2
Vision
Audio
Reasoning
OpenAIGPT 3.5 Turbo Instruct
Vision
Audio
Reasoning
Pricing
Zhipu AIGLM 5.2
Live pricing, shown before you run
Input$1.40/M tokens
Output$4.40/M tokens
Cache read$0.26/M tokens
OpenAIGPT 3.5 Turbo Instruct
Live pricing, shown before you run
Input$1.50/M tokens
Output$2.00/M tokens
Chat with GLM 5.2Go to model
Chat with GPT 3.5 Turbo InstructGo to model
Frequently Asked Questions: GLM 5.2 vs GPT 3.5 Turbo Instruct▼

Which is better, GLM 5.2 or GPT 3.5 Turbo Instruct?

▼

Both GLM 5.2 and GPT 3.5 Turbo Instruct 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, GLM 5.2 or GPT 3.5 Turbo Instruct?

▼

GPT 3.5 Turbo Instruct has a lower blended cost. GLM 5.2: $1.40 input / $4.40 output. GPT 3.5 Turbo Instruct: $1.50 input / $2.00 output.

Which has a larger context window, GLM 5.2 or GPT 3.5 Turbo Instruct?

▼

GLM 5.2 has a larger context window: GLM 5.2 supports 262K tokens vs GPT 3.5 Turbo Instruct at 4K tokens.

What are the key differences between GLM 5.2 and GPT 3.5 Turbo Instruct?

▼

Key differences: only GLM 5.2 offers extended reasoning mode. 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 GLM 5.2 and GPT 3.5 Turbo Instruct for free on idapt.app to see which performs better for your specific needs.

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