GLM 5.3 Flash vs GPT-3.5 Turbo (older v0613)
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GLM 5.3 Flash is 25.2× cheaper than GPT-3.5 Turbo (older v0613) on a typical 3:1 input/output mix. GLM 5.3 Flash has the larger context window (1M vs 4K).
| GLM 5.3 Flash | GPT-3.5 Turbo (older v0613) | |
|---|---|---|
| Input price / 1M | $0.0399 | $1.00 |
| Output price / 1M | $0.0784 | $2.00 |
| Blended price (3:1) | $0.0495 | $1.25 |
| Cached input / 1M | $0.03 | — |
| Context window | 1M | 4K |
| Max output | 131K | 4K |
| Intelligence index | 27.8 | — |
| Coding index | 71.5 | — |
| Providers | 42 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2026-08-26 | 2024-01-25 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GLM 5.3 Flash or GPT-3.5 Turbo (older v0613)?
GLM 5.3 Flash is 25.2× cheaper than GPT-3.5 Turbo (older v0613) on a typical 3:1 input/output mix.
GLM 5.3 Flash vs GPT-3.5 Turbo (older v0613): which has a bigger context window?
GLM 5.3 Flash: 1,048,576 tokens. GPT-3.5 Turbo (older v0613): 4,095 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 Flash ≈ $119.00, GPT-3.5 Turbo (older v0613) ≈ $3,000.
More comparisons
GLM 5.3 Flash vs Gemini 4 CarbonGLM 5.3 Flash vs Claude Fable 5.2GLM 5.3 Flash vs Gemini Omni 1.2 FlashGLM 5.3 Flash vs Gemini Omni 1.1 FlashGLM 5.3 Flash vs Hy4GLM 5.3 Flash vs GLM 5.3 FlashX LegalGLM 5.3 Flash vs GPT-6.1 TerraGLM 5.3 Flash vs GPT-6.1 Terra ProGLM 5.3 Flash vs Kimi K3.1 ProGLM 5.3 Flash vs MiniMax M3.1 FlashGLM 5.3 Flash vs DeepSeek V4.1 Flash 1017GLM 5.3 Flash vs Nemotron 3.5 Super VLGLM 5.3 Flash vs Gemini 4 ArgonGLM 5.3 Flash vs Claude Haiku 5.5GLM 5.3 Flash vs Nano Banana 2.1GLM 5.3 Flash vs Mistral Large 4GPT-3.5 Turbo (older v0613) vs Gemini 4 CarbonGPT-3.5 Turbo (older v0613) vs Claude Fable 5.2GPT-3.5 Turbo (older v0613) vs Gemini Omni 1.2 FlashGPT-3.5 Turbo (older v0613) vs Gemini Omni 1.1 FlashGPT-3.5 Turbo (older v0613) vs Hy4GPT-3.5 Turbo (older v0613) vs GLM 5.3 FlashX LegalGPT-3.5 Turbo (older v0613) vs GPT-6.1 TerraGPT-3.5 Turbo (older v0613) vs GPT-6.1 Terra Pro