Z.ai GLM
GLM-5.3
$1.68 / 1M tokens
cheapest at DeepInfra · $0.90 in · $4.00 out
Wins 3 of 4
Head to head · prices updated Nov 1, 2026
GLM-5.3 vs Kimi K3
Kimi K3 costs 3.2× as much as GLM-5.3 at their cheapest providers (blended 3 input : 1 output tokens).
Moonshot AI Kimi
Kimi K3
$5.40 / 1M tokens
cheapest at SiliconFlow · $2.70 in · $13.50 out
Wins 1 of 4
- Lower priceGLM-5.3
- Higher accuracy (GPQA)Kimi K3
- Longer contextGLM-5.3
- More providersGLM-5.3
Verdict
GLM-5.3 is the better deal on price
Kimi K3 costs 3.2× as much as GLM-5.3 at their cheapest providers (blended 3 input : 1 output tokens).
Kimi K3 scores higher on GPQA Diamond: 93.1% (max reasoning) vs 90.9% (max reasoning).
So the choice is a trade-off: Kimi K3 for the hardest reasoning, GLM-5.3 when cost matters more than the last few points of accuracy.
GLM-5.3 accepts longer prompts (1049K vs 1049K tokens).
Your monthly bill
What would each cost you?
GLM-5.3 saves you $37.00 a month ($444.00 a year) for this workload.
Side by side
| GLM-5.3 | Kimi K3 | |
|---|---|---|
| Cheapest blended price / 1M | $1.68 | $5.40 |
| Input / output per 1M | $0.90 / $4.00 | $2.70 / $13.50 |
| Accuracy (GPQA Diamond) | 90.9% (max reasoning) | 93.1% (max reasoning) |
| Max context | 1M | 1M |
| Providers we track | 12 | 9 |
Standard list prices at each model's cheapest provider we track; blended = 3 input : 1 output tokens. GPQA Diamond from Epoch AI (CC BY 4.0), best measured reasoning setting, named next to each score. Methodology.
Where to buy each one
GLM-5.3
- DeepInfra$1.68
- W&B Inference (CoreWeave)$1.90
- FriendliAI$1.94
- Z.ai$2.15
- Baseten$2.15
Kimi K3
- SiliconFlow$5.40
- DeepInfra$5.70
- Alibaba Cloud Model Studio$6.00
- Moonshot AI$6.00
- Baseten$6.00
Questions people ask
Is GLM-5.3 cheaper than Kimi K3?
Kimi K3 costs 3.2× as much as GLM-5.3 at their cheapest providers (blended 3 input : 1 output tokens).
Which is more accurate, GLM-5.3 or Kimi K3?
On GPQA Diamond (graduate-level science questions, measured by Epoch AI) GLM-5.3 scores 90.9% (max reasoning) and Kimi K3 93.1% (max reasoning). One benchmark is not the whole picture; test both on your own prompts.
How much does GLM-5.3 cost per 1M tokens?
From $0.90 input and $4.00 output per 1M tokens at DeepInfra, the cheapest of 12 providers we track.
How much does Kimi K3 cost per 1M tokens?
From $2.70 input and $13.50 output per 1M tokens at SiliconFlow, the cheapest of 9 providers we track.
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