GLM 4.5 Air vs DeepSeek V3.1
Detailed technical comparison between GLM 4.5 Air (Zhipu AI) and DeepSeek V3.1 (DeepSeek). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
DeepSeek V3.1
163,840 tokensTie
Equal CapabilityTie
Equal SpeedGLM 4.5 Air
$0.13 / MTokGLM 4.5 Air
GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications. Like GLM-4.5, it adopts the Mixture-of-Experts (MoE) architecture but with a more compact parameter...
DeepSeek V3.1
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
Technical Specifications
🏆 = Superior Spec| Specification | GLM 4.5 Air | DeepSeek V3.1 |
|---|---|---|
| Provider | Zhipu AI | DeepSeek |
| Context Window | 131,072 tokens | 163,840 tokens🏆 |
| Agent Suitability | Not yet benchmarked | Not yet benchmarked |
| Time to First Token (TTFT) | No public TTFT data | No public TTFT data |
| Deployment Model | managed api | self hostable |
| Production Stability | Stable GA (est.) | Stable GA (est.) |
| API Available | Yes | Yes |
| Released Date | 2025-07-25 | 2025-08-21 |
API Pricing Comparison
Input Price per Million Tokens
GLM 4.5 Air
$0.13
DeepSeek V3.1
$0.25
Output Price per Million Tokens
GLM 4.5 Air
$0.85
DeepSeek V3.1
$0.95
💡 Cost Ratio: GLM 4.5 Air is 1.9x cheaper per input token than DeepSeek V3.1.
Want to test both models live?
Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
GLM 4.5 Air Quirks & Gotchas
No developer gotchas reported.
DeepSeek V3.1 Quirks & Gotchas
No developer gotchas reported.
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