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#103

GLM 5.3 FlashX

Z.ai Release: 2026-09-21 Tested on: 2026-09-30 23:40 z-ai/glm-5.3-flashx::max
320B total (18B active)MoEClosed
(max) (high) (medium) (low)

Summary

GLM 5.3 FlashX scores 7.9 on AI BENCHY and ranks #103. It has 10.0 reliability, a 78.3% pass rate, $0.623 total cost, and 43.97s average response time.

Model facts

Researched on 2026-09-21

Reported
Parameters
320B total (18B active)
Architecture
MoE
Availability
Closed
License
-

OpenRouter reports 320B total and 18B active parameters for FlashX. This record describes the hosted FlashX checkpoint; the open Flash weights do not establish an exact FlashX weights release.

Parameter source Availability source

Score

7.9

Consistency

8.0

Reliability

10.0

Total Cost (Current Price)

$0.623

Total Output Tokens

402,765

Total Input Tokens

322,894

Input Price

$0.370 / 1M

Output Price

$1.250 / 1M

Cache Read Price

$0.090 / 1M

Cache Write Price

N/A

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Tests Correct

Wrong Tests: 8

Attempt pass rate: 78.3%

Flaky tests

6

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

43.97s

Response Time (max): 390.70s

Response Time (total): 1011.29s

Invalid tool call: 2 No answer: 2 Wrong answer: 2 Extra formatting: 1 Did not follow instructions: 1

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#103 GLM 5.3 FlashX

max
Cost
$0.046
Time
251.3s
Tokens
36,769 tok

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price Cache Read Price Cache Write Price
2026-10-01 18:33 $0.370 / 1M $1.250 / 1M $0.090 / 1M N/A

Charts

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Total Output Tokens

Score vs Total Output Tokens

Quick Compare

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Category Breakdown

Category Score Consistency Tests Correct
Agentic 6.1 3.1
Anti-AI Tricks 10.0 10.0
Coding 8.2 7.2
Combined 8.2 6.9
Data parsing and extraction 10.0 10.0
Domain specific 3.5 4.4
General Intelligence 10.0 10.0
Instructions following 9.9 10.0
Puzzle Solving 8.2 7.7
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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