Llama 2 70B Chat
Llama 2 70B Chat is a legacy integration reference; keep it only while you identify a current replacement.
Use it for
- Teams maintaining an existing integration
- Workloads that can use a 4k context window
- Buyers comparing 4 tracked provider routes
Do not use it for
- New production launches
- Vision or document-understanding workloads
- Family
- Llama 2
- Released
- 2023-07-18
- Context
- 4k
- Parameters
- 70B
- Architecture
- Decoder Only
- Specialization
- general
- Openness
- Open weights
- License
- Llama 2 CommunityCommercial use: conditional
- Weights
- Available
- Code
- Unknown
- Training
- Fine-tuned
Large-scale open-source AI for social technologies.
Cheapest of 14 routes · Lepton AI API
About
Llama 2 70B Chat is a large-scale language model with 70 billion parameters, designed for conversational AI applications. Released on July 18, 2023, it's part of Meta's Llama 2 family, featuring advanced transformer architecture optimized through supervised fine-tuning and reinforcement learning with human feedback. The model excels in generating human-like responses, outperforming many open-source alternatives and rivaling closed-source models like ChatGPT. Trained on 2 trillion tokens from diverse public sources, it's suitable for commercial and research applications in English, particularly for assistant-like functionalities. The model is available on Hugging Face for further exploration and implementation .
Llama 2 70B Chat is an open-weight model in the Llama 2 family. The structured metadata tracks a 4k-token context window and structured outputs. This page tracks provider routes through Databricks Foundation Model Serving, Microsoft Foundry, GCP Vertex AI, and 11 more, with the cheapest tracked route listed at $0.5 input and $0.5 output per 1M tokens. Headline tracked benchmarks include Massive Multitask Language Understanding 68.9.
Top use-case fit
Classification
1 relevant benchmark in the decision map.
JSON / Tool use
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare all 14Compare API pricing across 4 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| Lepton AI API | $0.500 | $0.500 | Serverless |
| DeepInfra | $0.640 | $0.640 | Serverless |
| Fireworks AI | $0.900 | $0.900 | Serverless |
| Together AI | $0.900 | $0.900 | Serverless |
Available via routers & gateways(16)
LiteLLM
GatewayOpen-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
OpenRouter
HybridUnified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.
AIRouter
RouterCommercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
Amazon Bedrock Intelligent Prompt Routing
RouterAWS Bedrock's native intelligent prompt router that routes prompts between Anthropic Claude model tiers (Haiku/Sonnet) based on predicted task complexity, with no extra per-routing charge.
Azure AI Foundry Model Router
RouterMicrosoft Azure AI Foundry's native model router that uses a trained ML model to route each prompt in real time to the optimal Azure-hosted model, with Balanced/Cost/Quality mode selection and automatic failover.
Capabilities
Benchmark peer barsfor Classification
Benchmark scores(1)
| Benchmark | Score | Version | Evaluation | Source |
|---|---|---|---|---|
| Massive Multitask Language Understanding | 68.9 | 5-shotObserved 2026-03-07 | — | Source |
Migration checks
No linked migration route is available for this model yet.
Compare Llama 2 70B Chat with other models
- Llama 2 70B Chat vs Qwen3.6-27B75
- Llama 2 70B Chat vs Together AI - Llama 3 8B Lite52
- Llama 2 70B Chat vs Grok-337
- Llama 2 70B Chat vs text-davinci28
- Llama 2 70B Chat vs Claude 3.7 Sonnet18
- Llama 2 70B Chat vs Claude Opus 4.716
- Llama 2 70B Chat vs Mixtral 8x22B Instruct v0.314
- Llama 2 70B Chat vs Kimi K2.510
Comparison and alternatives
Browse all comparisons →Show all 8 popular comparisonssorted by 7-day search impressions
Frequently asked questions
What is the context window of Llama 2 70B Chat?
Llama 2 70B Chat has a context window of 4k tokens.
How much does Llama 2 70B Chat cost?
Llama 2 70B Chat pricing ranges from $0.5/1M to $1.95/1M input tokens depending on the provider.
When was Llama 2 70B Chat released?
Llama 2 70B Chat was released on 2023-07-18.
Which providers offer Llama 2 70B Chat?
Llama 2 70B Chat is available from 14 providers: Databricks Foundation Model Serving, Microsoft Foundry, GCP Vertex AI, Alibaba Cloud PAI-EAS, AWS Bedrock, OCI Generative AI, NVIDIA NIM, DeepInfra, Lepton AI API, Together AI, IBM watsonx, Scale AI GenAI Platform, Fireworks AI, Replicate API.
What benchmarks has Llama 2 70B Chat been tested on?
Llama 2 70B Chat has been evaluated on 1 benchmark, including Massive Multitask Language Understanding.
Large-scale open-source AI for social technologies.
Cheapest of 14 routes · Lepton AI API