API cost decision in 10 seconds

Llama 3.1 8B Instruct vs Mistral Small 3

Pick Llama 3.1 8B Instruct when budget and context both matter.

Page updated: 2026-05-26T15:08:08Z Data confirmed: 2026-05-26T19:08:13Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Llama 3.1 8B Instruct when budget and context both matter.

On the standard 1M input plus 500K output workload, Llama 3.1 8B Instruct is estimated at $0.04 vs $0.09 for Mistral Small 3, saving $0.04 (50% lower).

Cost-first pickLlama 3.1 8B Instruct

Context-first pickLlama 3.1 8B Instruct

Sample savings$0.0450%

10x traffic gap$0.45

Llama 3.1 8B Instruct is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $0.45. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Llama 3.1 8B Instruct stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Llama 3.1 8B Instruct	Mistral Small 3
Input-heavy / RAG	5M input + 500K output	Llama 3.1 8B Instruct	$0.12	$0.29
Balanced workload	1M input + 1M output	Llama 3.1 8B Instruct	$0.07	$0.13
Output-heavy chatbot	1M input + 5M output	Llama 3.1 8B Instruct	$0.27	$0.45

Cheaper input Llama 3.1 8B Instruct $0.02 vs $0.05 / 1M

Llama 3.1 8B Instruct is $0.03 cheaper per 1M input tokens (60% lower; 2.5x difference).

Cheaper output Llama 3.1 8B Instruct $0.05 vs $0.08 / 1M

Llama 3.1 8B Instruct is $0.03 cheaper per 1M output tokens (37.5% lower; 1.6x difference).

Larger context Llama 3.1 8B Instruct 131.07K vs 32.77K

Llama 3.1 8B Instruct has 98.3K more context (4x larger).

Sample workload Llama 3.1 8B Instruct $0.04 vs $0.09

Llama 3.1 8B Instruct is $0.04 cheaper on the standard workload (50% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Llama 3.1 8B Instruct Calculating… Estimated API cost

Mistral Small 3 Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Llama 3.1 8B Instruct has the lower input price; Llama 3.1 8B Instruct has the lower output price; Llama 3.1 8B Instruct offers the larger context window. For the 1M input plus 500K output sample, Llama 3.1 8B Instruct is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.04 for Llama 3.1 8B Instruct and $0.09 for Mistral Small 3.

Best Fit

Choose Llama 3.1 8B Instruct when you care most about lower input-token price, lower output-token price, and larger context window.

Choose Mistral Small 3 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes

On the standard 1M input plus 500K output workload, Llama 3.1 8B Instruct is estimated at $0.04 vs $0.09 for Mistral Small 3, saving $0.04 (50% lower).
Llama 3.1 8B Instruct is $0.04 cheaper on the standard workload (50% lower).
Llama 3.1 8B Instruct is $0.03 cheaper per 1M input tokens (60% lower; 2.5x difference).
Llama 3.1 8B Instruct is $0.03 cheaper per 1M output tokens (37.5% lower; 1.6x difference).
Llama 3.1 8B Instruct has 98.3K more context (4x larger).

Head-to-Head Specs

Feature	Llama 3.1 8B Instruct (Meta)	Mistral Small 3 (Mistral)
Input Price prompt tokens per 1M	$0.02	$0.05
Completion Price per 1M tokens	$0.05	$0.08
Sample Workload Cost 1M input + 500K output	$0.04	$0.09
Context Window	131.07K	32.77K
Release Date	2024-07-23	2025-01-30
Popularity	#40	#135

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Llama 3.1 8B Instruct	On the standard 1M input plus 500K output workload, Llama 3.1 8B Instruct is estimated at $0.04 vs $0.09 for Mistral Small 3, saving $0.04 (50% lower).
High-volume input processing	Llama 3.1 8B Instruct	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Llama 3.1 8B Instruct	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Llama 3.1 8B Instruct	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Llama 3.3 70B Instruct (free) can replace Llama 3.1 8B Instruct when lower sample workload cost matters most: $0.
Llama 3.2 3B Instruct (free) can replace Llama 3.1 8B Instruct when lower sample workload cost matters most: $0.
Mistral Nemo can replace Mistral Small 3 when lower sample workload cost matters most: $0.04.

Larger context near this budget

Owl Alpha offers 1.05M context with $0 sample workload cost.
DeepSeek V4 Flash (free) offers 1.05M context with $0 sample workload cost.
Lyria 3 Clip Preview offers 1.05M context with $0 sample workload cost.
Lyria 3 Pro Preview offers 1.05M context with $0 sample workload cost.

Popular competitors

DeepSeek V4 Flash · DeepSeek · #1
Hy3 preview · Tencent · #2
Claude Opus 4.7 · Anthropic · #3
Claude Sonnet 4.6 · Anthropic · #4

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Meta catalog

Review all tracked Meta models before deciding whether this matchup is the right shortlist.

Open Meta models

Mistral catalog

Check other Mistral models with comparable pricing, context, or release timing.

Open Mistral models

Llama 3.1 8B Instruct

Meta's latest class of model (Llama 3.1) launched with a variety of sizes & flavors. This 8B instruct-tuned version is fast and efficient. It has demonstrated strong performance compared to...

Mistral Small 3

Mistral Small 3 is a 24B-parameter language model optimized for low-latency performance across common AI tasks. Released under the Apache 2.0 license, it features both pre-trained and instruction-tuned versions designed...