Llama 2 13B Chat vs Mixtral 8x7B
Llama 2 13B Chat (2023) and Mixtral 8x7B (2023) are compact production models from AI at Meta and MistralAI. Llama 2 13B Chat ships a 4k-token context window, while Mixtral 8x7B ships a 32k-token context window. On Google-Proof Q&A, Mixtral 8x7B leads by 13 pts. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Llama 2 13B Chat is ~50% cheaper at $0.10/1M; pay for Mixtral 8x7B only for long-context analysis.
Decision scorecard
Local evidence first| Signal | Llama 2 13B Chat | Mixtral 8x7B |
|---|---|---|
| Best for | provider-routed production | provider-routed production |
| Decision fit | Coding, Classification, and JSON / Tool use | Coding and Classification |
| Context window | 4k | 32k |
| Cheapest output | $0.50/1M tokens | $0.45/1M tokens |
| Provider routes | 11 tracked | 18 tracked |
| Shared benchmarks | 4 shared | Google-Proof Q&A leader |
Decision tradeoffs
- Llama 2 13B Chat uniquely exposes Structured outputs in local model data.
- Local decision data tags Llama 2 13B Chat for Coding, Classification, and JSON / Tool use.
- Mixtral 8x7B holds a shared-benchmark lead on Google-Proof Q&A, ahead by 13 points.
- Mixtral 8x7B has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Mixtral 8x7B has the lower cheapest tracked output price at $0.45/1M tokens.
- Mixtral 8x7B has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Mixtral 8x7B for Coding and Classification.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Llama 2 13B Chat
$205
Cheapest tracked route/tier: Replicate API
Mixtral 8x7B
$233
Cheapest tracked route/tier: Mistral AI Studio
Estimated monthly gap: $27.50. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on Databricks Foundation Model Serving, GCP Vertex AI, and AWS Bedrock; start route-level A/B tests there.
- Mixtral 8x7B is $0.05/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Structured outputs before moving production traffic.
- Provider overlap exists on Alibaba Cloud PAI-EAS, AWS Bedrock, and Microsoft Foundry; start route-level A/B tests there.
- Llama 2 13B Chat is $0.05/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Llama 2 13B Chat adds Structured outputs in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2023-07-18 | 2023-12-11 |
| Context window | 4k | 32k |
| Parameters | 13B | 8x7B |
| Architecture | Decoder Only | Mixture of Experts |
| License | Llama 2 Community | Apache 2.0OSI-approved |
| Openness | Open weights | Open source |
| Weights | Available | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | 2022-09 | 2023-12 |
Pricing and availability
| Pricing attribute | Llama 2 13B Chat | Mixtral 8x7B |
|---|---|---|
| Input price | $0.10/1M tokens | $0.15/1M tokens |
| Output price | $0.50/1M tokens | $0.45/1M tokens |
| Providers |
Capabilities
| Capability | Llama 2 13B Chat | Mixtral 8x7B |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| JSON / Tool use | No | No |
| Structured outputs | Yes | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Llama 2 13B Chat | Mixtral 8x7B |
|---|---|---|
| Google-Proof Q&A | 41.8 | 54.8 |
| HumanEval | 59.3 | 80.5 |
| Massive Multitask Language Understanding | 71.2 | 80.2 |
| HellaSwag | 88.5 | 90.9 |
Continue comparing
- Llama 2 13B Chat vs Mixtral 8x22B Instruct v0.3
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- Llama 2 70B Chat vs Mixtral 8x22B Instruct v0.3
- Mistral Large 2 vs Mixtral 8x7B
- Grok-3 vs Llama 2 13B Chat
- Llama 3 70B Instruct vs Mixtral 8x7B
- Grok 4 vs Llama 2 13B Chat
- DeepSeek V4 Flash vs Llama 2 13B Chat
- Llama 3.1 70B Instruct vs Mixtral 8x7B
- Mixtral 8x7B vs Qwen3.6-35B-A3B
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Last reviewed: 2026-07-11. Data sourced from public model cards and provider documentation.