Granite 3 8B Instruct vs Llama 2 70B Chat
Granite 3 8B Instruct (2024) and Llama 2 70B Chat (2023) are compact production models from IBM Research and AI at Meta. Granite 3 8B Instruct ships a 128K-token context window, while Llama 2 70B Chat ships a 4K-token context window. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing.
Granite 3 8B Instruct fits 32x more tokens; pick it for long-context work and Llama 2 70B Chat for tighter calls.
Decision scorecard
Local evidence first| Signal | Granite 3 8B Instruct | Llama 2 70B Chat |
|---|---|---|
| Decision fit | Long context | Classification and JSON / Tool use |
| Context window | 128K | 4K |
| Cheapest output | - | $1.5/1M tokens |
| Provider routes | 0 tracked | 14 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Granite 3 8B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Local decision data tags Granite 3 8B Instruct for Long context.
- Llama 2 70B Chat has broader tracked provider coverage for fallback and procurement flexibility.
- Llama 2 70B Chat uniquely exposes Structured outputs in local model data.
- Local decision data tags Llama 2 70B Chat for Classification and JSON / Tool use.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output prices on this page.
Granite 3 8B Instruct
Unavailable
No complete token price in local provider data
Llama 2 70B Chat
$775
Cheapest tracked route: Databricks Foundation Model Serving
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Granite 3 8B Instruct and Llama 2 70B Chat; plan for SDK, billing, or endpoint changes.
- Llama 2 70B Chat adds Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Llama 2 70B Chat and Granite 3 8B Instruct; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-10-21 | 2023-07-18 |
| Context window | 128K | 4K |
| Parameters | 8B | 70B |
| Architecture | decoder only | decoder only |
| License | Unknown | Open Source |
| Knowledge cutoff | 2024-04 | - |
Pricing and availability
| Pricing attribute | Granite 3 8B Instruct | Llama 2 70B Chat |
|---|---|---|
| Input price | - | $0.5/1M tokens |
| Output price | - | $1.5/1M tokens |
| Providers | - |
Capabilities
| Capability | Granite 3 8B Instruct | Llama 2 70B Chat |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | No | Yes |
| Code execution | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on structured outputs: Llama 2 70B Chat. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
Pricing coverage is uneven: Granite 3 8B Instruct has no token price sourced yet and Llama 2 70B Chat has $0.5/1M input tokens. Provider availability is 0 tracked routes versus 14. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Granite 3 8B Instruct when long-context analysis and larger context windows are central to the workload. Choose Llama 2 70B Chat when provider fit and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency. For teams standardizing a stack, that distinction is often the difference between a benchmark win and a reliable deployment.
FAQ
Which has a larger context window, Granite 3 8B Instruct or Llama 2 70B Chat?
Granite 3 8B Instruct supports 128K tokens, while Llama 2 70B Chat supports 4K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Granite 3 8B Instruct or Llama 2 70B Chat open source?
Granite 3 8B Instruct is listed under Unknown. Llama 2 70B Chat is listed under Open Source. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for structured outputs, Granite 3 8B Instruct or Llama 2 70B Chat?
Llama 2 70B Chat has the clearer documented structured outputs signal in this comparison. If structured outputs is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Granite 3 8B Instruct and Llama 2 70B Chat?
Granite 3 8B Instruct is available on the tracked providers still being sourced. Llama 2 70B Chat is available on Databricks Foundation Model Serving, Microsoft Foundry, GCP Vertex AI, Alibaba Cloud PAI-EAS, and AWS Bedrock. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Granite 3 8B Instruct over Llama 2 70B Chat?
Granite 3 8B Instruct fits 32x more tokens; pick it for long-context work and Llama 2 70B Chat for tighter calls. If your workload also depends on long-context analysis, start with Granite 3 8B Instruct; if it depends on provider fit, run the same evaluation with Llama 2 70B Chat.
Continue comparing
Last reviewed: 2026-05-19. Data sourced from public model cards and provider documentation.