AI model comparison
Qwen3.8 Flash vs GLM 5.3 Flash
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Qwen
Qwen3.8 Flash
Qwen3.8 Flash is a multimodal reasoning model from Alibaba.
- Input / 1M
- $0.15
- Output / 1M
- $0.47
- Context
- 1M
Z.ai
GLM 5.3 Flash
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks.
- Input / 1M
- $0.15
- Output / 1M
- $0.50
- Context
- 1.05M
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Qwen3.8 Flash
1.0x cheaper for a typical chat
Higher intelligence score
Tie
Not enough benchmark data
Larger context window
GLM 5.3 Flash
1.05M vs 1M tokens
Newer release
Qwen3.8 Flash
Released August 26, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Qwen3.8 FlashNot availableCoding index
Qwen3.8 FlashNot availableAgentic index
Qwen3.8 FlashNot availablePricing
Qwen3.8 Flash vs GLM 5.3 Flash API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Qwen3.8 Flash | |
|---|---|---|
| Input tokensPer 1M tokens | $0.15 | $0.15 |
| Output tokensPer 1M tokens | $0.47 | $0.50 |
| Cached input (read)Per 1M tokens | $0.02 | $0.03 |
| Cache writePer 1M tokens | $0.20 | Not available |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Qwen3.8 Flash$0.54Coding task
30K in, 4K out
Qwen3.8 Flash$6.38$2.36 cachedLong document summary
150K in, 2K out
Qwen3.8 Flash$23.44$3.34 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Qwen3.8 Flash | |
|---|---|---|
| Context window | 1M tokens | 1.05M tokens |
| Max output | 131K tokens | 944K tokens |
| Input types | Image, Text, Video | Image, Text, Video |
| Output types | Text | Text |
| Reasoning effort levels | Not available | Max, High, Low |
| Default reasoning effort | Not available | Max |
| Release date | August 26, 2026 | August 26, 2026 |
Features
Supported features
API features available for each model.
| Metric | Qwen3.8 Flash | |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | Supported | Supported |
| Verbosity control | Not supported | Not supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
Qwen3.8 FlashView full model details- Qwen3.8 Flash vs DeepSeek V4.1 Flash
- Qwen3.8 Flash vs MiMo-V2.6-Flash
- Qwen3.8 Flash vs GPT-6 Luna
- Qwen3.8 Flash vs Hy3
- Qwen3.8 Flash vs DeepSeek V4 Pro 0423
- Qwen3.8 Flash vs GPT-6 Luna Pro
- Qwen3.8 Flash vs Qwen3 235B A22B Instruct 2507
- Qwen3.8 Flash vs Qwen3 30B A3B Instruct 2507
- Qwen3.8 Flash vs Qwen3 30B A3B
- GLM 5.3 Flash vs DeepSeek V4.1 Flash
- GLM 5.3 Flash vs MiMo-V2.6-Flash
- GLM 5.3 Flash vs Hy4 preview
- GLM 5.3 Flash vs GPT-6 Luna
- GLM 5.3 Flash vs DeepSeek V4 Flash 0731
- GLM 5.3 Flash vs Claude Opus 5.5
- GLM 5.3 Flash vs GLM 5.3
- GLM 5.3 Flash vs DeepSeek V4 Flash 0423
- GLM 5.3 Flash vs Step 5 Preview
- GLM 5.3 Flash vs Gemini 3.8 Flash
- GLM 5.3 Flash vs Hy3
- GLM 5.3 Flash vs GPT-5.6 Luna
- GLM 5.3 Flash vs GPT-6.1 Sol
- GLM 5.3 Flash vs Muse Spark 1.3 Contributor
- GLM 5.3 Flash vs Claude Sonnet 5.5
- GLM 5.3 Flash vs Claude Fable 5.1
- GLM 5.3 Flash vs GPT-6 Astra
- GLM 5.3 Flash vs MiMo-V2.6-Pro
- GLM 5.3 Flash vs Claude Opus 5
- GLM 5.3 Flash vs DeepSeek V4 Pro 0813
- GLM 5.3 Flash vs Claude Haiku 5.5
- GLM 5.3 Flash vs Ling 3.1 Flash
- GLM 5.3 Flash vs GPT-6 Luna Pro
- GLM 5.3 Flash vs Gemini 3.7 Flash
- GLM 5.3 Flash vs Muse Spark 1.2
- GLM 5.3 Flash vs Qwen3.7 Flash
- GLM 5.3 Flash vs DeepSeek V4 Flash Vision Exp
- GLM 5.3 Flash vs Mistral Nemo
- GLM 5.3 Flash vs GLM 5.3 FlashX
- GLM 5.3 Flash vs GPT-5.6 Luna Pro
Our take
Qwen3.8 Flash is 1.0x cheaper for a typical chat. GLM 5.3 Flash has the larger context window (1.05M vs 1M tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Qwen3.8 Flash or GLM 5.3 Flash cheaper?
Qwen3.8 Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). Qwen3.8 Flash costs $0.15 per 1M input tokens and $0.47 per 1M output tokens, while GLM 5.3 Flash costs $0.15 per 1M input tokens and $0.50 per 1M output tokens.
Which has a bigger context window, Qwen3.8 Flash or GLM 5.3 Flash?
GLM 5.3 Flash supports up to 1.05M tokens of context, compared with 1M for Qwen3.8 Flash.
Can I use Qwen3.8 Flash and GLM 5.3 Flash at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Qwen3.8 Flash and GLM 5.3 Flash answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Qwen3.8 Flash and GLM 5.3 Flash at the same time. Compare the answers side by side and keep the best one.