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Comparison · AI Models & LLMs

GLM-5 vs GPT-5.6 Sol

The same method as our rankings: scores from the engine, sourced data, verified prices.

Details: GLM-5 →Details: GPT-5.6 Sol →

Z.ai GLM-5 — drawn card, not a photograph of the product

GLM-5

Z.ai

Full sheet →

71.3/100

SWE-bench accuracy
72.8%
Context window
200k tokens
Maximum output
128k tokens
Input cost per 1M tokens
$1.00
OpenAI gpt-5.6-sol — drawn card, not a photograph of the product

GPT-5.6 Sol

OpenAI

Full sheet →
Context window
1.05M tokens
Maximum output
128k tokens
Input cost per 1M tokens
$4.00
Output cost per 1M tokens
$20.00

The numbers side by side

Each bar is the product's verified figure; on every row the longer bar is the higher of the two values.

  • Context windowhigher is better
    GLM-5200k tokens
    GPT-5.6 Sol1.05M tokens
  • Maximum outputhigher is better
    GLM-5128k tokens
    GPT-5.6 Sol128k tokens
  • Input cost per 1M tokenslower is better
    GLM-5$1.00
    GPT-5.6 Sol$4.00
  • Cached input cost per 1M tokenslower is better
    GLM-5$0.20
    GPT-5.6 Sol$0.40
  • Output cost per 1M tokenslower is better
    GLM-5$3.20
    GPT-5.6 Sol$20.00

Who wins where

  • For long documentsGPT-5.6 SolContext window
  • Cheaper to readGLM-5Input cost per 1M tokens
  • Cheaper to writeGLM-5Output cost per 1M tokens

GPT-5.6 Sol: reads images · GLM-5: open weights (downloadable)

Data sheet side by side

Performance

SWE-bench accuracy72.8%Not stated

Memory and answer length

Context window200k tokens✓1.05M tokens425% more
Maximum output128k tokens128k tokens

API prices

Input cost per 1M tokens✓$1.0075% less$4.00
Cached input cost per 1M tokens✓$0.2050% less$0.40
Output cost per 1M tokens✓$3.2084% less$20.00

Knowledge and abilities

Knowledge cutoffNot statedFebruary 2026
Reads imagesNot statedYes

Size and openness

Parameters744 billionNot stated
Active parameters per token40 billionNot stated
Open weights (downloadable)YesNot stated

What a month costs

Change the volumes: the cost is worked out from the verified list prices above.

GLM-5$3.60per month · $43.20 per yearThe cheaper one — you save $14.40 per month
GPT-5.6 Sol$18.00per month · $216 per year

The scenarios are only starting points to edit, not data about your use. List prices without discounts, time-of-day rates or taxes.

Questions and answers

For long documents: GLM-5 or GPT-5.6 Sol?

GPT-5.6 Sol: 1.05M tokens against 200k tokens (Context window).

Cheaper to read: GLM-5 or GPT-5.6 Sol?

GLM-5: $1.00 against $4.00 (Input cost per 1M tokens).

Cheaper to write: GLM-5 or GPT-5.6 Sol?

GLM-5: $3.20 against $20.00 (Output cost per 1M tokens).

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