gpt-oss-safeguard-20b vs Grok 4.5
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for gpt-oss-safeguard-20b and Grok 4.5.
gpt-oss-safeguard-20b
gpt-oss-safeguard-20b is a safety reasoning model from OpenAI built upon gpt-oss-20b. This open-weight, 21B-parameter Mixture-of-Experts (MoE) model offers lower latency for safety tasks like content classification, LLM filtering, and trust...
Grok 4.5
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Technical Specifications
| Specification | gpt-oss-safeguard-20b | Grok 4.5 |
|---|---|---|
| Provider | OpenAI | xAI |
| Context Window | 131,072 tokens | 500,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-10-29 | 2026-07-08 |
API Pricing Comparison
Input Price per Million Tokens
gpt-oss-safeguard-20b
$0.07
Grok 4.5
$2.00
Output Price per Million Tokens
gpt-oss-safeguard-20b
$0.30
Grok 4.5
$6.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
gpt-oss-safeguard-20b Quirks & Gotchas
No developer gotchas reported.
Grok 4.5 Quirks & Gotchas
No developer gotchas reported.