Google: Gemma 4 31B
The Google Gemma 4 31B model is a versatile AI system that can process and generate content from multiple modalities, including text, images, and video. It has a large context length of 262144 tokens, allowing it to handle complex and nuanced inputs. For users who need a reliable AI solution with advanced reasoning capabilities, the Google Gemma 4 31B may be worth considering. Its pricing is competitive at $0.09 per million input tokens and $0.34 per million output tokens. The model's blended benchmark score of 56.5 across four independent benchmarks suggests it performs well in various tasks. However, its high price point may deter some users who require a more affordable solution. Those with a budget to spare or specific needs that align with this model's strengths may find the Google Gemma 4 31B an attractive option.
Benchmark results
Independent, published benchmarks. Blended score 56.5 across 4 benchmarks, last refreshed 2026-09-04. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 49.0 |
| AI Index Coding | software engineering tasks | 71.7 |
| AI Index Agentic | multi-step tool-using tasks | 23.7 |
| EQ-Bench | emotional understanding in dialogue | 70.8 |
- Model ID
- google/gemma-4-31b-it
- Vendor
- Released
- April 2026
- Tokenizer
- Gemma
- Input Modalities
- image, text, video
- Output Modalities
- text
- Max Output
- 16,384 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.09/M input and $0.34/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | under $0.01 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.06 |
| A month of a busy support chatbot | 5M in / 2M out | $1.13 |
Price & spec history
Tracked daily by PicksByModel since 2026-07-17.
| Date | Input /M | Output /M | Context |
|---|---|---|---|
| 2026-08-26 | $0.09 | $0.34 | 262,144 |
| 2026-08-21 | $0.10 | $0.34 | 262,144 |
| 2026-08-19 | $0.09 | $0.34 | 262,144 |
| 2026-07-30 | $0.10 | $0.34 | 262,144 |
| 2026-07-25 | $0.14 | $0.40 | 262,144 |
| 2026-07-24 | $0.10 | $0.35 | 262,144 |
| 2026-07-23 | $0.12 | $0.35 | 262,144 |
| 2026-07-21 | $0.12 | $0.37 | 262,144 |
| 2026-07-17 | $0.22 | $0.55 | 262,144 |
Category rankings
Where Google: Gemma 4 31B places across the 5 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #13 | Real-Time ChatLatency · of 25 ranked | 118 |
| #14 | Self-Hosted / LocalCost · of 25 ranked | 117 |
| #18 | Cheap Bulk InferenceCost · of 25 ranked | 137 |
| #22 | Social Media PostsWriting · of 25 ranked | 119 |
| #22 | Voice Assistant BackendVoice · of 25 ranked | 123 |
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Quick answers
- How much does Google: Gemma 4 31B cost?
- $0.09 per million input tokens and $0.34 per million output tokens.
- What is Google: Gemma 4 31B's context window?
- 262,144 tokens, roughly 393 pages of text in a single request.
- Does Google: Gemma 4 31B support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Google: Gemma 4 31B process images?
- Yes, it accepts image input.