Key Takeaways
GPT-OSS-120b wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
GLM-4.7-Flash wins:
- Larger context window
Price Advantage
GPT-OSS-120b
Benchmark Advantage
GPT-OSS-120b
Context Window
GLM-4.7-Flash
Speed
GPT-OSS-120b
Pricing Comparison
Price Comparison
| Metric | GPT-OSS-120b | GLM-4.7-Flash | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.04 | $0.07 | GPT-OSS-120b |
| Output (per 1M tokens) | $0.19 | $0.40 | GPT-OSS-120b |
| Cache Read (per 1M) | N/A | $10000.00 | GLM-4.7-Flash |
Using a 3:1 input/output ratio, GPT-OSS-120b is 50% cheaper overall.
GPT-OSS-120b Providers
DeepInfra $0.04 (Cheapest)
Chutes $0.04
SiliconFlow $0.05
NCompass $0.05
Novita $0.05
GLM-4.7-Flash Providers
Z.AI $0.07 (Cheapest)
Novita $0.07 (Cheapest)
Phala $0.10
Benchmark Comparison
7
Benchmarks Compared
0
GPT-OSS-120b Wins
0
GLM-4.7-Flash Wins
Benchmark Scores
| Benchmark | GPT-OSS-120b | GLM-4.7-Flash | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 33.3 | - | - |
Coding Index Code generation & understanding | 28.6 | - | - |
Math Index Mathematical reasoning | 93.4 | - | - |
MMLU Pro Academic knowledge | 80.8 | - | - |
GPQA Graduate-level science | 78.2 | - | - |
LiveCodeBench Competitive programming | 87.8 | - | - |
Aider Real-world code editing | 41.8 | - | - |
GPT-OSS-120b significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
Loading chart...
GPT-OSS-120b
Other models
Context & Performance
Context Window
GPT-OSS-120b
131,072
tokens
GLM-4.7-Flash
200,000
tokens
Max output: 131,072 tokens
GLM-4.7-Flash has a 34% larger context window.
Speed Performance
| Metric | GPT-OSS-120b | GLM-4.7-Flash | Winner |
|---|---|---|---|
| Tokens/second | 321.3 tok/s | N/A | |
| Time to First Token | 0.40s | N/A |
Capabilities
Feature Comparison
| Feature | GPT-OSS-120b | GLM-4.7-Flash |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | GPT-OSS-120b | GLM-4.7-Flash |
|---|---|---|
| License | Open Source | Proprietary |
| Author | OpenAI | Z-ai |
| Released | Aug 2025 | Jan 2026 |
GPT-OSS-120b Modalities
Input
text
Output
text
GLM-4.7-Flash Modalities
Input
text
Output
text