Requesty

grok-4.6 vs glm-5.3-flash

Side-by-side comparison of grok-4.6 and glm-5.3-flash: benchmarks, pricing, context window and capabilities. Both are accessible through Requesty's unified API. grok-4.6 outperforms glm-5.3-flash on 5 of 5 shared benchmarks.

Benchmark comparison

Intelligence Indexreasoning
grok-4.650.6%
glm-5.3-flash46.2%
Coding Indexcoding
grok-4.676.8%
glm-5.3-flash71.5%
GPQA Diamondreasoning
grok-4.694.9%
glm-5.3-flash91.2%
SciCodecoding
grok-4.656.5%
glm-5.3-flash51.6%
Humanity's Last Examreasoning
grok-4.642.9%
glm-5.3-flash39.9%

Scores sourced from official model cards, Artificial Analysis, and public leaderboards. Benchmarks measure specific skills and don't capture every aspect of model quality.

Pricing & specifications

grok-4.6glm-5.3-flash
Input price / 1M$2.00$0.15$0.07
Output price / 1M$6.00$0.50$0.25
Context window500K tokens1M tokens
Max outputN/A128K tokens
Vision inputYesYes
Tool callingYesYes
ReasoningYesYes
Prompt cachingYesYes
Computer useN/AN/A
ProviderxAI Corp.Z.ai

Questions people ask

Is grok-4.6 better than glm-5.3-flash?
grok-4.6 outperforms glm-5.3-flash on 5 of 5 shared benchmarks. See the benchmark comparison above for specifics: grok-4.6 and glm-5.3-flash have different strengths across reasoning, coding, math and multimodal tasks.
Which is cheaper, grok-4.6 or glm-5.3-flash?
glm-5.3-flash is cheaper. grok-4.6 costs $2.00/$6.00 per 1M input/output tokens, while glm-5.3-flash costs $0.07/$0.25. The prices shown are what you pay: glm-5.3-flash runs at 50% off its list rate of $0.15 per 1M input and $0.50 per 1M output until 9 Sep 2026.
Can I use grok-4.6 and glm-5.3-flash through the same API?
Yes. Requesty provides a single OpenAI-compatible API that routes to both. Change just the "model" parameter to switch between "xai/grok-4.6" and "zai/glm-5.3-flash", no other code changes needed.
What are the context windows?
grok-4.6 supports up to 500K tokens of context. glm-5.3-flash supports up to 1M tokens. Longer context means you can feed larger documents or codebases in a single prompt, though quality often degrades past 128K for most models.

Switch between grok-4.6 and glm-5.3-flash with one line of code

Requesty provides a single OpenAI-compatible API for 600+ models. Change the model parameter, not your code.