GLM 5.3 Prime vs Kimi K3.1 Pro Highspeed
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GLM 5.3 Prime is 46% cheaper than Kimi K3.1 Pro Highspeed on a typical 3:1 input/output mix. Kimi K3.1 Pro Highspeed has the larger context window (1M vs 1M).
| GLM 5.3 Prime | Kimi K3.1 Pro Highspeed | |
|---|---|---|
| Input price / 1M | $2.80 | $4.00 |
| Output price / 1M | $8.80 | $20.00 |
| Blended price (3:1) | $4.30 | $8.00 |
| Cached input / 1M | $0.56 | $0.20 |
| Context window | 1M | 1M |
| Max output | 131K | 1M |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-23 | 2026-10-23 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GLM 5.3 Prime or Kimi K3.1 Pro Highspeed?
GLM 5.3 Prime is 46% cheaper than Kimi K3.1 Pro Highspeed on a typical 3:1 input/output mix.
GLM 5.3 Prime vs Kimi K3.1 Pro Highspeed: which has a bigger context window?
GLM 5.3 Prime: 1,000,000 tokens. Kimi K3.1 Pro Highspeed: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 Prime ≈ $10,000, Kimi K3.1 Pro Highspeed ≈ $18,000.
More comparisons
GLM 5.3 Prime vs GPT-6.1 TerraGLM 5.3 Prime vs GPT-6.1 Terra ProGLM 5.3 Prime vs Kimi K3.1 ProGLM 5.3 Prime vs MiniMax M3.1 FlashGLM 5.3 Prime vs DeepSeek V4.1 Flash 1017GLM 5.3 Prime vs Nemotron 3.5 Super VLGLM 5.3 Prime vs Gemini 4 ArgonGLM 5.3 Prime vs Claude Haiku 5.5GLM 5.3 Prime vs Nano Banana 2.1GLM 5.3 Prime vs Mistral Large 4GLM 5.3 Prime vs GPT-6.1 Sol ProGLM 5.3 Prime vs GPT-6.1 SolGLM 5.3 Prime vs Claude Sonnet 5.5GLM 5.3 Prime vs Qwen3.8 Max PrimeGLM 5.3 Prime vs Command A+GLM 5.3 Prime vs GPT-6 Luna ProKimi K3.1 Pro Highspeed vs GPT-6.1 TerraKimi K3.1 Pro Highspeed vs GPT-6.1 Terra ProKimi K3.1 Pro Highspeed vs Kimi K3.1 ProKimi K3.1 Pro Highspeed vs MiniMax M3.1 FlashKimi K3.1 Pro Highspeed vs DeepSeek V4.1 Flash 1017Kimi K3.1 Pro Highspeed vs Nemotron 3.5 Super VLKimi K3.1 Pro Highspeed vs Gemini 4 ArgonKimi K3.1 Pro Highspeed vs Claude Haiku 5.5