Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct

    Comparison

    As of August 25, 2026, Llama 3.1 8B Instruct is 85% cheaper per million tokens than Llama 3.1 70B Instruct. Llama 3.1 70B Instruct is $0.20 / $0.20 per million input/output tokens versus Llama 3.1 8B Instruct at $0.03 / $0.03. Source: https://llama.meta.com/

    Source: Meta pricing (https://llama.meta.com/)

    Llama 3.1 70B Instruct

    Meta

    $0.40blended / 1M

    Input

    $0.20

    Output

    $0.20

    128K ctx|Open Source
    85%
    cheaper
    Better value

    Llama 3.1 8B Instruct

    Meta

    $0.06blended / 1M

    Input

    $0.03

    Output

    $0.03

    131.1K ctx|Open Source
    Save $0.34 per million tokens by choosing Llama 3.1 8B Instruct over Llama 3.1 70B Instruct.

    Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct comparison

    Token pricing, specs, and benchmarks side by side

    Shared benchmarks

    Each bar is share of the current leader on that eval. Click a row to open the board.

    Score vs price

    BFCL. Left is cheaper. Up is a higher score. The line is the best score you can buy at each price.

    Best score at each priceLlama 3.1 70B InstructLlama 3.1 8B Instruct
    Metric
    Llama 3.1 70B Instruct
    Llama 3.1 8B Instruct
    Provider
    Provider
    Meta
    Meta
    License
    Open Source
    Open Source
    Release Date
    2024-07-23
    2024-07-23
    Pricing (per 1M tokens)
    Input Price+567%
    $0.20
    $0.03
    Output Price+567%
    $0.20
    $0.03
    Blended (1M + 1M)
    $0.40
    $0.06
    Model Details
    Context Window
    128K
    131.1K
    Max Output Tokens
    128K
    131.1K
    Knowledge Cutoff
    N/A
    2023-12-31
    Throughput
    42 tok/s
    42 tok/s
    Benchmarks
    41.7%
    30.4%
    44.2%
    25.9%
    13.2%
    87.5%
    80.4%
    3.6%
    2.5%
    84.8%
    76.1%
    83.6%
    69.4%
    80.5%
    72.6%
    36.7%
    22.9%
    90%
    82.6%
    94.8%
    83.4%
    0%
    79.6%
    59.5%
    95.1%
    84.5%
    82.4%
    68%
    51.9%
    86%
    73%
    66.4%
    48.3%
    56.7%
    38.5%
    Benchmark Wins
    Llama 3.1 70B Instruct 20|0 Llama 3.1 8B Instruct

    Verdict

    Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct: the bottom line

    Llama 3.1 8B Instruct offers significantly lower pricing, while Llama 3.1 70B Instruct leads on benchmark performance. Your choice depends on whether cost efficiency or raw capability matters more for your use case.

    Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct FAQ

    Which is cheaper, Llama 3.1 70B Instruct or Llama 3.1 8B Instruct?

    As of August 25, 2026, Llama 3.1 8B Instruct is 85% cheaper on blended LLM API pricing. Llama 3.1 8B Instruct costs $0.03 per million input tokens and $0.03 per million output tokens ($0.06 blended 1M-in + 1M-out). Llama 3.1 70B Instruct costs $0.20 / $0.20 per million tokens ($0.40 blended). Sources: https://llama.meta.com/ and https://llama.meta.com/. The cheapest LLM for your app still depends on how many output tokens you generate.

    How much does Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct cost per million tokens?

    Llama 3.1 70B Instruct Meta API pricing is $0.20 input and $0.20 output per million tokens via Meta. Llama 3.1 8B Instruct Meta API pricing is $0.03 input and $0.03 output per million tokens via Meta. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.

    Which is better for coding, Llama 3.1 70B Instruct or Llama 3.1 8B Instruct?

    Llama 3.1 70B Instruct leads on HumanEval: Llama 3.1 70B Instruct at 80.5% vs Llama 3.1 8B Instruct at 72.6%. SWE-bench measures real GitHub fixes; LiveCodeBench measures contest programming.

    What is the context window for Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct?

    Llama 3.1 70B Instruct supports a 128K token context window, while Llama 3.1 8B Instruct supports 131K tokens. Llama 3.1 8B Instruct offers a larger context window. Filling a larger window bills more input tokens, so the cheaper-per-million model can still cost more on long documents.

    Which model performs better on benchmarks, Llama 3.1 70B Instruct or Llama 3.1 8B Instruct?

    Llama 3.1 70B Instruct leads on 20 of 20 shared benchmarks versus Llama 3.1 8B Instruct's 0 wins. Check the comparison table for GPQA Diamond, SWE-bench, MMLU, HLE, and the other evals we track. Token price and benchmark score together are the usual LLM comparison, not either number alone.

    Is Llama 3.1 70B Instruct or Llama 3.1 8B Instruct better for production use?

    Both Llama 3.1 70B Instruct and Llama 3.1 8B Instruct are production API models. For cost-sensitive production traffic, Llama 3.1 8B Instruct has better economics on the blended 1M-in + 1M-out scale. For maximum capability, weight the benchmark table for your domain. Many production stacks route cheap models for drafts and a frontier model for the hard turn, which is usually cheaper than sending everything to the expensive API.

    Can I switch between Llama 3.1 70B Instruct and Llama 3.1 8B Instruct in my app?

    Yes. Call Llama 3.1 70B Instruct through Meta and Llama 3.1 8B Instruct through Meta with separate API keys, or through a gateway that already wraps both. Keep prompts in tokens, not characters, when you estimate the invoice. AnotherWrapper templates can swap providers without rewriting auth and billing.

    How accurate is this Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct pricing data?

    List rates are the latest published Meta API pricing and Meta API pricing, quoted per million tokens. Official rate sheets: https://llama.meta.com/ and https://llama.meta.com/. Prompt caching, batch APIs, and committed-use discounts can change the invoice. Benchmark scores are from official publications and independent evals, updated as new numbers land.

    What is the output token limit for Llama 3.1 70B Instruct and Llama 3.1 8B Instruct?

    Llama 3.1 70B Instruct supports up to 128K output tokens per request, while Llama 3.1 8B Instruct supports up to 131K output tokens. Output tokens are usually the expensive half of API pricing, so a higher max output cap is a capability, not a discount.

    Which model has better throughput, Llama 3.1 70B Instruct or Llama 3.1 8B Instruct?

    Llama 3.1 70B Instruct runs at approximately 42 tokens/second while Llama 3.1 8B Instruct runs at 42 tokens/second. Llama 3.1 8B Instruct is faster in raw throughput. Throughput (tokens per second) and time-to-first-token are why two models with the same per-million-token price can still feel different in chat and agents.

    How do I switch the models in this Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct comparison?

    Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Llama 3.1 70B Instruct or Llama 3.1 8B Instruct from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.

    Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct pricing

    This comparison covers API pricing, context window, throughput, and benchmark scores. Llama 3.1 70B Instruct costs $0.20/M input and $0.20/M output. Llama 3.1 8B Instruct costs $0.03/M input and $0.03/M output.

    Rank both on the LLM leaderboard, SWE-bench, and Humanity's Last Exam.

    The index

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