Side-by-side pricing, context window, and capabilities — try both on ChatLima.
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...
General conversations and content creation
Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. Features a 256K token context window, configurable thinking/reasoning mode, native function...
Image and document understanding
| Feature | OpenAI: gpt-oss-120b (free) | Google: Gemma 4 31B (free) |
|---|---|---|
| Provider | OpenRouter | OpenRouter |
| Context Length | 131,072 tokens | 262,144 tokens |
| Input Price | N/A | N/A |
| Output Price | N/A | N/A |
| Vision Support | No | Yes |
| Higher cost | No | No |
| Capabilities | Text | TextVision |