G9v3-39A5B vs. Gemma 4 31B (Reasoning)
Comparison between G9v3-39A5B and Gemma 4 31B (Reasoning) across intelligence, price, speed, context window and more.
For details relating to our methodology, see our Methodology page.
Highlights
Model Comparison
G9v3-39A5B | Gemma 4 31B (Reasoning) | ||
|---|---|---|---|
| Intelligence Index | 31 | 29 | G9v3-39A5B is more intelligent than Gemma 4 31B (Reasoning) |
| Price per 1M Tokens | $0.00 | $0.00 | Both G9v3-39A5B and Gemma 4 31B (Reasoning) have the same price |
| Context Window | 131k tokens~197 A4 pages of size 12 Arial font | 256k tokens~384 A4 pages of size 12 Arial font | Gemma 4 31B (Reasoning) has a larger context window than G9v3-39A5B |
| Release Date | August 2026 | April 2026 | G9v3-39A5B has a more recent release date than Gemma 4 31B (Reasoning) |
| Parameters | 39B, 5B active at inference time | 30.7B | G9v3-39A5B has more parameters than Gemma 4 31B (Reasoning) |
| Reasoning | Yes | Yes | Both G9v3-39A5B and Gemma 4 31B (Reasoning) have reasoning |
| Image Input Support | No | Yes | Gemma 4 31B (Reasoning) has image input support while G9v3-39A5B does not |
| Open Source (Weights) | Both G9v3-39A5B and Gemma 4 31B (Reasoning) are open source | ||
| License | |||
| License Supports Commercial Use Without Restrictions | Yes | Yes | Both G9v3-39A5B and Gemma 4 31B (Reasoning) have license supports commercial use without restrictions |
Intelligence
Artificial Analysis Intelligence Index
Artificial Analysis Intelligence Index by Open Weights / Proprietary
Intelligence Evaluations
Agentic real-world work tasks, (Elo-500)/2000
Agentic tool use
Agentic coding & terminal use
Coding
Reasoning & knowledge
Scientific reasoning
Physics reasoning
Knowledge
1 - hallucination rate
Long context reasoning
Agentic knowledge work, Elo
Agentic SaaS workflows
Legal agentic work, criterion pass rate
Agentic business operations
Instruction following
Long-horizon agentic tasks
Kubernetes incident root-cause analysis
Visual reasoning
AA-Briefcase
AA-Briefcase Elo
AA-Omniscience
AA-Omniscience Index
Openness Index
Artificial Analysis Openness Index: Score
Intelligence Index Comparisons
Intelligence Index vs. Cost per Intelligence Index Task
Token Use
Output Tokens per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Cost to Run Artificial Analysis Intelligence Index
Pricing: Cache Hit, Input, and Output
Context Window
Context Window
Speed
Measured by Output Speed (tokens per second)
Output Speed
Time per Intelligence Index Task
Latency
Measured by Time (seconds) to First Token
Latency: Time To First Answer Token
End-to-End Response Time
Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed
End-to-End Response Time
Model Size (Open Weights Models Only)
Model Size: Total and Active Parameters
Frequently Asked Questions
G9v3-39A5B is more intelligent. G9v3-39A5B scores 31, compared with Gemma 4 31B (Reasoning) at 29 on the Artificial Analysis Intelligence Index.
Gemma 4 31B (Reasoning) has a larger context window. Gemma 4 31B (Reasoning) supports 260k tokens, compared with G9v3-39A5B at 130k tokens.