Claude Fable 5 vs Kimi K2 Instruct

    Comparison

    As of August 25, 2026, Kimi K2 Instruct is 98% cheaper per million tokens than Claude Fable 5. Claude Fable 5 is $10.00 / $50.00 per million input/output tokens versus Kimi K2 Instruct at $0.50 / $0.50. Sources: https://platform.claude.com/docs/en/about-claude/pricing and https://platform.kimi.com/docs/pricing/chat

    Sources: Anthropic Claude API pricing (https://platform.claude.com/docs/en/about-claude/pricing); Moonshot AI pricing (https://platform.kimi.com/docs/pricing/chat)

    Claude Fable 5

    Anthropic

    $60.00blended / 1M

    Input

    $10.00

    Output

    $50.00

    1M ctx|Proprietary
    98%
    cheaper
    Better value

    Kimi K2 Instruct

    Moonshot AI

    $1.00blended / 1M

    Input

    $0.50

    Output

    $0.50

    200K ctx|Open Source
    Save $59.00 per million tokens by choosing Kimi K2 Instruct over Claude Fable 5.

    Claude Fable 5 vs Kimi K2 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

    SWE-bench Verified. Left is cheaper. Up is a higher score. The line is the best score you can buy at each price.

    Best score at each priceClaude Fable 5Kimi K2 Instruct
    Metric
    Claude Fable 5
    Kimi K2 Instruct
    Provider
    Provider
    Anthropic
    Moonshot AI
    License
    Proprietary
    Open Source
    Release Date
    2026-06-09
    2025-07-11
    Pricing (per 1M tokens)
    Input Price+1900%
    $10.00
    $0.50
    Output Price+9900%
    $50.00
    $0.50
    Blended (1M + 1M)
    $60.00
    $1.00
    Model Details
    Context Window
    1M
    200K
    Max Output Tokens
    128K
    200K
    Knowledge Cutoff
    2026-01
    N/A
    Throughput
    8.7 tok/s
    N/A
    Benchmarks
    64.5%
    4.7%
    75.1%
    85.9%
    71.5%
    72.9%
    69.9%
    69.9%
    89.8%
    70.5%
    60.2%
    68.3%
    31%
    89.8%
    89.2%
    85%
    61.7%
    83.3%
    97.8%
    49.5%
    69.6%
    97.4%
    89.5%
    89.3%
    93.3%
    76.5%
    89.5%
    95.6%
    74.3%
    71.8%
    50.4%
    28.6%
    78.4%
    73.7%
    46.3%
    29.8%
    1932
    97.3%
    38.8%
    81.1%
    72.3%
    1.3%
    78.3%
    76.4%
    56.1%
    84.0%
    88.5%
    91.0%
    91.5%
    81.1%
    92.7%
    85.7%
    76.4%
    27.1%
    65.1%
    51.9%
    81.9%
    26.3%
    57.2%
    76.9%
    70.2%
    25%
    Benchmark Wins
    Claude Fable 5 12|0 Kimi K2 Instruct

    Verdict

    Claude Fable 5 vs Kimi K2 Instruct: the bottom line

    Kimi K2 Instruct offers significantly lower pricing, while Claude Fable 5 leads on benchmark performance. Your choice depends on whether cost efficiency or raw capability matters more for your use case.

    Claude Fable 5 vs Kimi K2 Instruct FAQ

    Which is cheaper, Claude Fable 5 or Kimi K2 Instruct?

    As of August 25, 2026, Kimi K2 Instruct is 98% cheaper on blended LLM API pricing. Kimi K2 Instruct costs $0.50 per million input tokens and $0.50 per million output tokens ($1.00 blended 1M-in + 1M-out). Claude Fable 5 costs $10.00 / $50.00 per million tokens ($60.00 blended). Sources: https://platform.claude.com/docs/en/about-claude/pricing and https://platform.kimi.com/docs/pricing/chat. The cheapest LLM for your app still depends on how many output tokens you generate.

    How much does Claude Fable 5 vs Kimi K2 Instruct cost per million tokens?

    Claude Fable 5 Claude API pricing from Anthropic is $10.00 input and $50.00 output per million tokens via Anthropic. Kimi K2 Instruct Moonshot AI API pricing is $0.50 input and $0.50 output per million tokens via Moonshot AI. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.

    Which is better for coding, Claude Fable 5 or Kimi K2 Instruct?

    Claude Fable 5 leads on SWE-bench Verified: Claude Fable 5 at 95% vs Kimi K2 Instruct at 43.8%. SWE-bench measures real GitHub fixes; LiveCodeBench measures contest programming.

    What is the context window for Claude Fable 5 vs Kimi K2 Instruct?

    Claude Fable 5 supports a 1M token context window, while Kimi K2 Instruct supports 200K tokens. Claude Fable 5 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, Claude Fable 5 or Kimi K2 Instruct?

    Claude Fable 5 leads on 12 of 12 shared benchmarks versus Kimi K2 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 Claude Fable 5 or Kimi K2 Instruct better for production use?

    Both Claude Fable 5 and Kimi K2 Instruct are production API models. For cost-sensitive production traffic, Kimi K2 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 Claude Fable 5 and Kimi K2 Instruct in my app?

    Yes. Call Claude Fable 5 through Anthropic and Kimi K2 Instruct through Moonshot AI 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 Claude Fable 5 vs Kimi K2 Instruct pricing data?

    List rates are the latest published Claude API pricing from Anthropic and Moonshot AI API pricing, quoted per million tokens. Official rate sheets: https://platform.claude.com/docs/en/about-claude/pricing and https://platform.kimi.com/docs/pricing/chat. 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 Claude Fable 5 and Kimi K2 Instruct?

    Claude Fable 5 supports up to 128K output tokens per request, while Kimi K2 Instruct supports up to 200K 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, Claude Fable 5 or Kimi K2 Instruct?

    Claude Fable 5 has a measured throughput of approximately 8.7 tokens/second. Throughput data for Kimi K2 Instruct 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 Claude Fable 5 vs Kimi K2 Instruct comparison?

    Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Claude Fable 5 or Kimi K2 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.

    Claude Fable 5 vs Kimi K2 Instruct pricing

    This comparison covers API pricing, context window, throughput, and benchmark scores. Claude Fable 5 costs $10.00/M input and $50.00/M output. Kimi K2 Instruct costs $0.50/M input and $0.50/M output.

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

    The index

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