Granite 4.0 H 350M (non-reasoning)

An ultra-compact model for high-volume, low-complexity tasks.

Granite 4.0 H 350M (non-reasoning)

IBM's compact open-weight model, offering extreme cost-effectiveness for basic text generation and classification where high intelligence is not required.

350M ParametersOpen Weight33k ContextText GenerationIBMCost-Effective

IBM's Granite 4.0 H 350M is a member of the Granite family of open-weight models, specifically engineered for efficiency and cost-effectiveness. With only 350 million parameters, it stands in stark contrast to the multi-billion parameter giants that dominate headlines. This small size is not a weakness but a design choice, positioning the model for a specific niche: high-volume, low-complexity tasks where speed, low resource consumption, and minimal cost are the primary drivers. It's a tool built for utility over sophistication, designed to be deployed easily and run cheaply.

The model's performance on the Artificial Analysis Intelligence Index reflects this positioning. Scoring an 8, it sits at the lower end of the spectrum compared to its peers, which average a score of 13. This indicates that Granite 350M is not suited for tasks requiring deep reasoning, nuanced understanding, or complex instruction following. It may struggle with creative writing, multi-step problem-solving, or generating deeply analytical text. Instead, its strengths lie in straightforward, repetitive functions like basic classification, keyword extraction, and simple text formatting.

Where Granite 350M truly distinguishes itself is on cost and conciseness. With a benchmarked price of $0.00 per million tokens for both input and output on select providers, it is effectively free to run for many use cases. This makes it an incredibly compelling option for startups, researchers, or any organization operating under tight budget constraints. Furthermore, its evaluation on the Intelligence Index required only 1.2 million tokens, a fraction of the 6.7 million average. This low verbosity means it produces concise, to-the-point outputs, which not only reduces the token count but also can lead to faster overall response times and lower data processing overhead.

Released under a permissive Apache 2.0 license, Granite 350M offers developers maximum flexibility for commercial use, modification, and distribution. It represents a strategic move by IBM to provide the open-source community with foundational models that can be adapted for specific, resource-constrained environments. For developers building applications that need a lightweight text-processing engine, and who can work within its intellectual limitations, Granite 350M presents an almost unbeatable value proposition.

Scoreboard

Intelligence

8 (18 / 22)

Scores at the lower end of its class, indicating it's best suited for tasks not requiring deep reasoning or complex instruction following.
Output speed

N/A tok/s

Performance data for this model is not yet available. Speed can vary significantly by provider and workload.
Input price

$0.00 / 1M tokens

Extremely competitive, ranking #1 in its class. Effectively free for input processing on benchmarked providers.
Output price

$0.00 / 1M tokens

Also ranks #1. The zero-cost pricing makes it a top choice for high-volume, budget-constrained applications.
Verbosity signal

1.2M tokens

Highly concise, producing significantly fewer tokens than the class average. This contributes to lower operational costs and faster total response times.
Provider latency

N/A seconds

Time-to-first-token data is not available. As a smaller model, it is expected to have low latency, but this is provider-dependent.

Technical specifications

Spec Details
Model Name Granite 4.0 H 350M
Owner / Developer IBM
Parameters ~350 Million
Architecture Decoder-only Transformer
Context Window 32,768 tokens
License Apache 2.0 (Open Weight)
Input Modalities Text
Output Modalities Text
Training Data A proprietary mix of public web data (CommonCrawl), code, and academic sources, filtered for quality.
Intended Use Simple text generation, summarization, classification, and other non-reasoning tasks.
Finetuning Support Yes, as an open-weight model it is designed to be adaptable and finetunable for specific domains.
Model Family Part of IBM's Granite series of enterprise-focused models.

What stands out beyond the scoreboard

Where this model wins
  • Extreme Cost-Effectiveness: With a price of $0.00 per million tokens for both input and output on some platforms, it's virtually free to operate at scale, making it unbeatable for budget-driven projects.
  • High Conciseness: Its low verbosity score means it gets straight to the point, generating fewer tokens than competitors. This reduces inference time and operational overhead, especially in high-volume scenarios.
  • Low Resource Requirements: As a 350M parameter model, it's significantly smaller than multi-billion parameter giants, allowing for faster inference and easier deployment on less powerful hardware or in edge computing environments.
  • Open and Permissive License: Released under the Apache 2.0 license, it offers maximum flexibility for commercial use, modification, and redistribution without restrictive terms, encouraging broad adoption and innovation.
  • Ideal for Simple, Repetitive Tasks: It excels at high-throughput, low-complexity tasks like basic classification, keyword extraction, or simple data formatting where deep reasoning is unnecessary and consistency is key.
Where costs sneak up
  • Low Intelligence Ceiling: Its score of 8 on the Intelligence Index is a major limitation. It will struggle with nuance, complex instructions, and multi-step reasoning, leading to poor quality outputs that may require human review or a fallback to a more capable model.
  • Risk of Oversimplification: The model's high conciseness can be a double-edged sword. It may produce summaries that are too brief or answers that lack necessary detail and context, making it unsuitable for tasks requiring comprehensive explanations.
  • Hidden Costs of Rework: While the token cost is zero, the cost of dealing with incorrect or inadequate outputs is not. If the model's low intelligence leads to errors, the expense of re-running tasks, manual correction, or building complex validation logic can negate the initial savings.
  • Limited Knowledge Base: Smaller models inherently have a more limited knowledge base than their larger counterparts. It may be more prone to hallucination or providing outdated information on less common topics.
  • Provider-Dependent Performance: The 'free' tier on some platforms may come with strict rate limits, lower priority queuing, or less reliable uptime compared to paid offerings, which could impact production applications.

Provider pick

Choosing a provider for an open-weight model like Granite 350M involves balancing cost, performance, and operational complexity. While some platforms offer it for free as a loss leader or for community access, this often comes with tradeoffs in speed, reliability, or usage limits. Your choice depends entirely on your project's specific priorities.

Priority Pick Why Tradeoff to accept
Lowest Cost Free Tier Providers Unbeatable price point of $0.00 for both input and output. Ideal for experimentation, academic use, or non-critical, high-volume tasks. May have stricter rate limits, lower throughput, and potential 'cold start' latency. Not suitable for production-critical, low-latency applications.
Balanced Performance Pay-as-you-go GPU Platforms Offers a good middle ground with reasonable per-second or per-token pricing, better reliability, and more consistent performance than free tiers. No longer free. Costs can add up with high volume, requiring careful monitoring of usage and infrastructure.
Maximum Control & Privacy Self-Hosting (Cloud or On-Prem) Complete control over the model, data privacy, and performance tuning. No per-token costs, only hardware and operational expenses. Highest upfront cost and complexity. Requires significant MLOps expertise to manage deployment, scaling, and maintenance.
Ease of Use Managed Inference APIs Simplifies deployment to a single API call. The provider handles all the infrastructure, scaling, and maintenance, allowing teams to focus on the application. Less control over the underlying hardware and potentially higher costs compared to self-hosting, but with a much lower operational burden.

Provider availability, pricing, and performance metrics for open-weight models change frequently. The 'free' pricing noted in our benchmarks is specific to the providers evaluated at the time of testing and may not be universally available or may be subject to change.

Real workloads cost table

To understand the practical cost implications of Granite 350M, let's examine a few common, low-complexity workloads. We'll use the benchmarked price of $0.00 per million input and output tokens. This makes the direct cost calculation straightforward but underscores the importance of evaluating output quality for each task.

Scenario Input Output What it represents Estimated cost
Email Subject Line Generation 200 tokens (email body) 10 tokens (subject line) A high-volume, repetitive task for marketing automation. $0.00
Sentiment Analysis 150 tokens (customer review) 5 tokens ('Positive', 'Negative', 'Neutral') Classifying a large batch of user feedback for trend analysis. $0.00
Keyword Extraction 500 tokens (short article) 25 tokens (comma-separated keywords) Basic content tagging for a CMS or search index. $0.00
Simple Data Formatting 100 tokens (unstructured text) 30 tokens (JSON object) Converting snippets of text into a structured format. $0.00
Basic Chatbot Response 250 tokens (user query + history) 40 tokens (canned or simple response) Handling first-level support questions with predefined answers. $0.00

The direct API cost for these workloads is zero on benchmarked providers, making Granite 350M exceptionally attractive for cost-sensitive applications. The real 'cost' to consider is whether its low intelligence can reliably perform these tasks to the required quality standard without needing frequent human intervention or a fallback to a more expensive model.

How to control cost (a practical playbook)

While Granite 350M is already priced at zero on some platforms, optimizing its use is still crucial to manage overall system costs and ensure quality. The focus shifts from minimizing token counts to maximizing the model's effectiveness within its limited capabilities and preventing costly errors.

Use for Pre-processing and Filtering

Use Granite 350M as a first-pass filter in a multi-model chain. It can handle simple, high-volume requests and escalate more complex ones to a larger, more expensive model.

  • Triage support tickets: Use Granite 350M to categorize incoming tickets. Simple requests get an automated response, while complex ones are routed to a model like GPT-4 for analysis or to a human agent.
  • Content moderation: Perform a quick, cheap first-pass check for policy violations. Flagged content can then be reviewed by a more nuanced model.
Implement Strict Guardrails and Validation

Given the model's low intelligence, its outputs must be validated. The cost of building these guardrails is often less than the cost of errors in production.

  • Format validation: If you expect a JSON output, have a parser that validates the structure and retries or escalates on failure.
  • Content checking: For classification tasks, ensure the output is one of the expected categories. For summarization, check for factual consistency against the source text if possible.
Optimize Prompting for Simplicity

Do not treat Granite 350M like a sophisticated reasoning engine. Prompts should be clear, direct, and simple. Avoid ambiguity and complex, multi-part instructions.

  • Use few-shot examples: Provide 2-3 examples of the desired input-output format directly in the prompt to guide the model effectively.
  • Break down tasks: Instead of asking the model to perform three steps at once, send three separate, simple requests. This improves reliability.
Leverage its Conciseness

The model's tendency to produce short outputs is an advantage. Design workflows that benefit from this.

  • Generate tags, not paragraphs: Use it for keyword extraction, not long-form content generation.
  • Create headlines, not articles: Perfect for generating short, punchy text where brevity is a feature.

FAQ

What is Granite 4.0 H 350M?

Granite 4.0 H 350M is a small, 350-million-parameter, open-weight language model developed by IBM. It is designed for efficiency and cost-effectiveness, making it suitable for simple, high-volume text processing tasks rather than complex reasoning.

Who is this model best for?

This model is ideal for developers, startups, and organizations with budget constraints who need to perform simple, repetitive NLP tasks at scale. Examples include sentiment analysis, keyword extraction, basic classification, and simple data formatting.

How does it compare to models like Llama 3 8B or Mistral 7B?

Granite 350M is significantly smaller (350M vs. 7B or 8B parameters). As a result, it is less intelligent and capable than models like Llama 3 8B or Mistral 7B. However, it is also much faster, requires fewer computational resources, and is cheaper (or free) to run, making it a better choice for tasks that do not require high levels of reasoning.

What does 'open weight' mean?

'Open weight' means that the model's parameters (the 'weights') are publicly released, in this case under an Apache 2.0 license. This allows anyone to download, modify, and run the model on their own hardware, offering maximum flexibility and control compared to closed, API-only models.

Is it really free to use?

The model itself is free to download and use due to its open license. Some cloud providers also offer managed API access to it for $0.00 per million tokens as a promotional or free-tier offering. However, this pricing is provider-specific and may come with usage limits or performance trade-offs. Self-hosting the model incurs hardware and operational costs.

What are the main limitations of a 350M parameter model?

The primary limitations are a lower capacity for reasoning, a smaller knowledge base, and a reduced ability to understand nuance and complex instructions. This can lead to factual errors, overly simplistic outputs, and failure to follow complex prompts. It is not suitable for tasks requiring creativity, deep analysis, or multi-step problem-solving.

Can Granite 350M be fine-tuned?

Yes. As an open-weight model, it is designed to be finetuned. Developers can adapt the base model to a specific domain or task using their own data, potentially improving its performance and accuracy for a specialized use case.


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