Gemma 4 26B-A4B vs Grok-4 Fast Reasoning

    Comparison

    As of August 25, 2026, Gemma 4 26B-A4B is 24% cheaper per million tokens than Grok-4 Fast Reasoning. Gemma 4 26B-A4B is $0.13 / $0.40 per million input/output tokens versus Grok-4 Fast Reasoning at $0.20 / $0.50. Sources: https://ai.google.dev/gemini-api/docs/pricing and https://docs.x.ai/docs/models

    Sources: Gemini API pricing (https://ai.google.dev/gemini-api/docs/pricing); xAI API pricing (https://docs.x.ai/docs/models)

    Better value

    Gemma 4 26B-A4B

    Google

    $0.53blended / 1M

    Input

    $0.13

    Output

    $0.40

    262.1K ctx|Open Source
    24%
    cheaper

    Grok-4 Fast Reasoning

    xAI

    $0.70blended / 1M

    Input

    $0.20

    Output

    $0.50

    2M ctx|Proprietary
    Save $0.17 per million tokens by choosing Gemma 4 26B-A4B over Grok-4 Fast Reasoning.

    Gemma 4 26B-A4B vs Grok-4 Fast Reasoning 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.

    Gemma 4 26B-A4BGrok-4 Fast Reasoning

    Score vs price

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

    Best score at each priceGemma 4 26B-A4BGrok-4 Fast Reasoning
    Metric
    Gemma 4 26B-A4B
    Grok-4 Fast Reasoning
    Provider
    Provider
    Google
    xAI
    License
    Open Source
    Proprietary
    Release Date
    2026-04-02
    2025-08-28
    Pricing (per 1M tokens)
    Input Price-35%
    $0.13
    $0.20
    Output Price-20%
    $0.40
    $0.50
    Blended (1M + 1M)
    $0.53
    $0.70
    Model Details
    Context Window
    262.1K
    2M
    Max Output Tokens
    131.1K
    30K
    Knowledge Cutoff
    2025-01-01
    N/A
    Throughput
    N/A
    90 tok/s
    Benchmarks
    17.2%
    82.3%
    85.3%
    40.0%
    5.3%
    73.8%
    86.3%
    91.3%
    72.8%
    88.3%
    66.9%
    0%
    11.5%
    82.4%
    37.4%
    92.1%
    81.6%
    58.1%
    90.9%
    82.6%
    79.7%
    44.1%
    29.8%
    85.5%
    75.7%
    Benchmark Wins
    Gemma 4 26B-A4B 2|0 Grok-4 Fast Reasoning

    Verdict

    Gemma 4 26B-A4B vs Grok-4 Fast Reasoning: the bottom line

    Gemma 4 26B-A4B offers both lower pricing and stronger benchmark performance across the board, making it the clear value leader in this comparison.

    Gemma 4 26B-A4B vs Grok-4 Fast Reasoning FAQ

    Which is cheaper, Gemma 4 26B-A4B or Grok-4 Fast Reasoning?

    As of August 25, 2026, Gemma 4 26B-A4B is 24% cheaper on blended LLM API pricing. Gemma 4 26B-A4B costs $0.13 per million input tokens and $0.40 per million output tokens ($0.53 blended 1M-in + 1M-out). Grok-4 Fast Reasoning costs $0.20 / $0.50 per million tokens ($0.70 blended). Sources: https://ai.google.dev/gemini-api/docs/pricing and https://docs.x.ai/docs/models. The cheapest LLM for your app still depends on how many output tokens you generate.

    How much does Gemma 4 26B-A4B vs Grok-4 Fast Reasoning cost per million tokens?

    Gemma 4 26B-A4B Gemini API pricing is $0.13 input and $0.40 output per million tokens via Google. Grok-4 Fast Reasoning xAI API pricing is $0.20 input and $0.50 output per million tokens via xAI. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.

    Which is better for coding, Gemma 4 26B-A4B or Grok-4 Fast Reasoning?

    Grok-4 Fast Reasoning has a published SWE-bench Verified score of 45.4%. Gemma 4 26B-A4B does not have that eval on this page yet.

    What is the context window for Gemma 4 26B-A4B vs Grok-4 Fast Reasoning?

    Gemma 4 26B-A4B supports a 262K token context window, while Grok-4 Fast Reasoning supports 2M tokens. Grok-4 Fast Reasoning 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, Gemma 4 26B-A4B or Grok-4 Fast Reasoning?

    Gemma 4 26B-A4B leads on 2 of 2 shared benchmarks versus Grok-4 Fast Reasoning'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 Gemma 4 26B-A4B or Grok-4 Fast Reasoning better for production use?

    Both Gemma 4 26B-A4B and Grok-4 Fast Reasoning are production API models. For cost-sensitive production traffic, Gemma 4 26B-A4B 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 Gemma 4 26B-A4B and Grok-4 Fast Reasoning in my app?

    Yes. Call Gemma 4 26B-A4B through Google and Grok-4 Fast Reasoning through xAI 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 Gemma 4 26B-A4B vs Grok-4 Fast Reasoning pricing data?

    List rates are the latest published Gemini API pricing and xAI API pricing, quoted per million tokens. Official rate sheets: https://ai.google.dev/gemini-api/docs/pricing and https://docs.x.ai/docs/models. 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 Gemma 4 26B-A4B and Grok-4 Fast Reasoning?

    Gemma 4 26B-A4B supports up to 131K output tokens per request, while Grok-4 Fast Reasoning supports up to 30K 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, Gemma 4 26B-A4B or Grok-4 Fast Reasoning?

    Grok-4 Fast Reasoning has a measured throughput of approximately 90 tokens/second. Throughput data for Gemma 4 26B-A4B is not yet available. 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 Gemma 4 26B-A4B vs Grok-4 Fast Reasoning comparison?

    Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Gemma 4 26B-A4B or Grok-4 Fast Reasoning from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.

    Gemma 4 26B-A4B vs Grok-4 Fast Reasoning pricing

    This comparison covers API pricing, context window, throughput, and benchmark scores. Gemma 4 26B-A4B costs $0.13/M input and $0.40/M output. Grok-4 Fast Reasoning costs $0.20/M input and $0.50/M output.

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

    The index

    All Large Language Models

    280 models across 33 providers. Search or jump to a lab — every model page stays linked here.

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