Llama 2 13B Chat vs Mistral Large 3 675B Instruct
Llama 2 13B Chat (2023) and Mistral Large 3 675B Instruct (2025) are compact production models from AI at Meta and MistralAI. Llama 2 13B Chat ships a 4k-token context window, while Mistral Large 3 675B Instruct ships a 128k-token context window. On Google-Proof Q&A, Mistral Large 3 675B Instruct leads by 2.1 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 ~400% cheaper at $0.10/1M; pay for Mistral Large 3 675B Instruct only for long-context analysis.
Decision scorecard
Local evidence first| Signal | Llama 2 13B Chat | Mistral Large 3 675B Instruct |
|---|---|---|
| Best for | provider-routed production | multimodal apps and provider-routed production |
| Decision fit | Coding, Classification, and JSON / Tool use | Coding, RAG, and Agents |
| Context window | 4k | 128k |
| Cheapest output | $0.50/1M tokens | $1.50/1M tokens |
| Provider routes | 11 tracked | 6 tracked |
| Shared benchmarks | 2 shared | Google-Proof Q&A leader |
Decision tradeoffs
- Llama 2 13B Chat has the lower cheapest tracked output price at $0.50/1M tokens.
- Llama 2 13B Chat has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Llama 2 13B Chat for Coding, Classification, and JSON / Tool use.
- Mistral Large 3 675B Instruct holds a shared-benchmark lead on Google-Proof Q&A, ahead by 2.1 points.
- Mistral Large 3 675B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Mistral Large 3 675B Instruct uniquely exposes Vision and Multimodal in local model data.
- Local decision data tags Mistral Large 3 675B Instruct for Coding, RAG, and Agents.
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
Mistral Large 3 675B Instruct
$775
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $570. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on AWS Bedrock and Microsoft Foundry; start route-level A/B tests there.
- Mistral Large 3 675B Instruct is $1/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Mistral Large 3 675B Instruct adds Vision and Multimodal in local capability data.
- Provider overlap exists on AWS Bedrock and Microsoft Foundry; start route-level A/B tests there.
- Llama 2 13B Chat is $1/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision and Multimodal before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2023-07-18 | 2025-12-01 |
| Context window | 4k | 128k |
| Parameters | 13B | 675B |
| Architecture | Decoder Only | Decoder Only |
| 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 | 2024-11 |
Pricing and availability
| Pricing attribute | Llama 2 13B Chat | Mistral Large 3 675B Instruct |
|---|---|---|
| Input price | $0.10/1M tokens | $0.50/1M tokens |
| Output price | $0.50/1M tokens | $1.50/1M tokens |
| Providers |
Capabilities
| Capability | Llama 2 13B Chat | Mistral Large 3 675B Instruct |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | No | No |
| JSON / Tool use | No | No |
| Structured outputs | Yes | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Llama 2 13B Chat | Mistral Large 3 675B Instruct |
|---|---|---|
| Google-Proof Q&A | 41.8 | 43.9 |
| HumanEval | 59.3 | 92.0 |
Continue comparing
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- DeepSeek V4 Flash vs Mistral Large 3 675B Instruct
- GPT-5.5 vs Mistral Large 3 675B Instruct
- Mistral Large 3 675B Instruct vs Mistral Nemotron
- GLM-5 vs Mistral Large 3 675B Instruct
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Last reviewed: 2026-07-09. Data sourced from public model cards and provider documentation.