Gemma 4 31B
Googlehuggingface.co/google/gemma-4-31B-it
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...
Updated 17 min ago · first seen 11 Sept 2026
model_01M294WW1MERCRX1PDYT3XGFR9
- Parameters
- 31.3B
- T2 · 20 min ago
- Context
- 262.1K tokens
- T2 · 21 min ago
- Released
- 2 Apr 2026
- T2 · 21 min ago
Specification
- Release date
- 2 Apr 2026
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Openness
- open-weights
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium
- Parameters
- 31.3B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium
- Context window
- 262.1K tokens
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Max output
- 16.4K tokens
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Modalities
- image, text, video
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Input modalities
- image, text, video
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Output modalities
- text
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Tokenizer
- Gemma
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Hugging Face repo
- google/gemma-4-31B-it
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Pipeline tag
- image-text-to-text
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium
- Model card
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium
- Downloads
- 8,676,676
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 17 min agomedium
- Likes
- 3,763
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 17 min agomedium
- Last modified
- 2026-07-20T16:42:18+00:00
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium
- Openrouter id
- google/gemma-4-31b-it
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Supported parameters
- frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, presence_penalty, reasoning, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_logprobs, top_p
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
22
Source tiers
T222
Freshest observation
17 min ago
Conflicts
None
Modalities
- Modalities
- imagetextvideo
- Input
- imagetextvideo
- Output
- text
Capabilities
Tool calling
Yes
OpenRouter public model & pricing listing · T2
Structured output
Yes
OpenRouter public model & pricing listing · T2
Reasoning
Yes
OpenRouter public model & pricing listing · T2
Vision
Yes
OpenRouter public model & pricing listing · T2
Audio
Unavailable
Fine-tuning available
Unavailable
- Context window
- 262.1K tokens
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Max output
- 16.4K tokens
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
- Tokenizer
- Gemma
Source:OpenRouter public model & pricing listingT2observed 21 min agomedium
No benchmark results recorded
Current prices
| Provider | Input / 1M | Output / 1M | Cached in | Batch in / out | Context | Observed | Source |
|---|---|---|---|---|---|---|---|
| Google Gemini APIgoogle/gemma-4-31b-it:free | $0 | $0 | — | — | 262.1K | 21 min ago | openrouter.aiT2 |
| Google Gemini APIgoogle/gemma-4-31b-it | $0.09 | $0.34 | $0.05 | — | 262.1K | 21 min ago | openrouter.aiT2 |
| Google Gemini APIgoogle/gemma-4-31b-it:batch | $0.39 | $0.97 | — | — | 262.1K | 21 min ago | openrouter.aiT2 |
USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.
Available through 1
Price history
Input price · USD / 1M tokens
Output price · USD / 1M tokens
- Google Gemini API
Memory need = bytes per parameter (4-bit ≈ 0.5 × 1.15 overhead, 8-bit 1.0, fp16 2.0) + a KV-cache allowance. Not a measurement.
| Hardware | Quantization | Memory | Est. need | Fits |
|---|---|---|---|---|
| Apple M3 Ultra | 4bit | — | 18.5 GB | Yes |
| AMD Instinct MI325X | 4bit | 256 GB | 18.5 GB | Yes |
| AMD Instinct MI300X | 4bit | 192 GB | 18.5 GB | Yes |
| Apple M2 Ultra | 4bit | — | 18.5 GB | Yes |
| NVIDIA B200 | 4bit | 180 GB | 18.5 GB | Yes |
| NVIDIA H200 | 4bit | 141 GB | 18.5 GB | Yes |
| Apple M1 Ultra | 4bit | — | 18.5 GB | Yes |
| Apple M3 Max | 4bit | — | 18.5 GB | Yes |
| Apple M4 Max | 4bit | — | 18.5 GB | Yes |
| NVIDIA DGX Spark | 4bit | 128 GB | 18.5 GB | Yes |
| Apple M2 Max | 4bit | — | 18.5 GB | Yes |
| NVIDIA A100 80GB | 4bit | 80 GB | 18.5 GB | Yes |
| NVIDIA H100 SXM | 4bit | 80 GB | 18.5 GB | Yes |
| Apple M1 Max | 4bit | — | 18.5 GB | Yes |
| Apple M4 Pro | 4bit | — | 18.5 GB | Yes |
| Apple M3 Pro | 4bit | — | 18.5 GB | Yes |
| Apple M1 Pro | 4bit | — | 18.5 GB | Yes |
| Apple M2 Pro | 4bit | — | 18.5 GB | Yes |
| Apple M4 | 4bit | — | 18.5 GB | Yes |
| NVIDIA GeForce RTX 5090 | 4bit | 32 GB | 18.5 GB | Yes |
| Apple M2 | 4bit | — | 18.5 GB | Yes |
| Apple M3 | 4bit | — | 18.5 GB | Yes |
| NVIDIA GeForce RTX 3090 | 4bit | 24 GB | 18.5 GB | Yes |
| NVIDIA GeForce RTX 4090 | 4bit | 24 GB | 18.5 GB | Yes |
| Apple M1 | 4bit | — | 18.5 GB | No |
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history
Release daterelease_date1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 2 Apr 2026 | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Opennessopenness1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| open-weights | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Parametersparameter_count1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 31.3B | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Context windowcontext_length1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 262.1K tokens | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Max outputmax_output_tokens1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 16.4K tokens | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Modalitiesmodalities1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| image, text, video | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Input modalitiesmodalities_input1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| image, text, video | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Output modalitiesmodalities_output1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| text | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Tokenizertokenizer1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Gemma | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Hugging Face repohf_repo1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| google/gemma-4-31B-it | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Pipeline tagpipeline_tag1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| image-text-to-text | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Model cardmodel_card_url1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://huggingface.co/google/gemma-4-31B-it | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Downloadsmetric.downloads1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 8,676,676 | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Likesmetric.likes1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 3,763 | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Descriptiondescription1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 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... | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Last modifiedlast_modified1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 2026-07-20T16:42:18+00:00 | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Openrouter idopenrouter_id1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| google/gemma-4-31b-it | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Reasoningreasoning1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Structured outputstructured_output1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Supported parameterssupported_parameters1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, presence_penalty, reasoning, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_logprobs, top_p | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Tool callingtool_calling1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Visionvision1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
Google Gemini API lists Gemma 4 31B at $0 in / $0 out per 1M tokens
openrouterGoogle Gemini API lists Gemma 4 31B at $0.39 in / $0.97 out per 1M tokens
openrouterGoogle Gemini API lists Gemma 4 31B at $0.09 in / $0.34 out per 1M tokens
openrouter
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| Hugging Face Hub (public pages, model cards, papers) | huggingface.co/models?author=google&p=0&sort=downloads | listing | T2· Quality secondary | 17 min ago | 2 |
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 21 min ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.