Claude Opus 4.7 vs Kimi K3

    Comparison

    As of August 20, 2026, Kimi K3 is 40% cheaper per million tokens than Claude Opus 4.7. Claude Opus 4.7 is $5.00 / $25.00 per million input/output tokens versus Kimi K3 at $3.00 / $15.00. 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 Opus 4.7

    Anthropic

    $30.00blended / 1M

    Input

    $5.00

    Output

    $25.00

    1M ctx|Proprietary
    40%
    cheaper
    Better value

    Kimi K3

    Moonshot AI

    $18.00blended / 1M

    Input

    $3.00

    Output

    $15.00

    1M ctx|Open Source
    Save $12.00 per million tokens by choosing Kimi K3 over Claude Opus 4.7.

    Claude Opus 4.7 vs Kimi K3 comparison

    Token pricing, specs, and benchmarks side by side

    Metric
    Claude Opus 4.7
    Kimi K3
    Provider
    Provider
    Anthropic
    Moonshot AI
    License
    Proprietary
    Open Source
    Release Date
    2026-04-16
    2026-07-16
    Pricing (per 1M tokens)
    Input Price+67%
    $5.00
    $3.00
    Output Price+67%
    $25.00
    $15.00
    Blended (1M + 1M)
    $30.00
    $18.00
    Model Details
    Context Window
    1M
    1M
    Max Output Tokens
    128K
    1M
    Knowledge Cutoff
    N/A
    N/A
    Throughput
    42 tok/s
    8.253358168863906 tok/s
    Benchmarks
    54.7%
    56%
    94.2%
    93.5%
    86.4%
    93.5%
    64.8%
    54.2%
    67.5%
    68.5%
    85.1%
    87.2%
    54.5%
    58.7%
    1558
    1681.75
    79.3%
    91.2%
    50.6%
    42.7%
    51.5%
    54.4%
    75.8%
    60.4%
    80.2%
    88.3%
    84.8%
    76.5%
    77.3%
    84.2%
    81.6%
    91.5%
    91%
    91.3%
    43.8%
    86.7%
    68.9%
    85.5%
    88.2%
    51.6%
    33.9%
    37.6%
    85.7%
    84.8%
    43.9%
    16.1%
    66.1%
    71.6%
    12%
    23.4%
    52.1%
    79.0%
    73.1%
    73.5%
    Deck Bench Internal
    73.5%
    67.5%
    63.7%
    66.4%
    81.2%
    38.5%
    44.2%
    63%
    81.2%
    21%
    19%
    43.5%
    47.1%
    52.9%
    Kimi Code Bench 2 0 Internal
    72.9%
    76.9%
    97.8%
    54.9%
    48.9%
    83.0%
    88.0%
    89.9%
    88.0%
    63.3%
    91.1%
    18.2%
    Perceptionbench Internal
    58.5%
    56.1%
    54.3%
    62.9%
    75.3%
    75.7%
    51%
    41%
    Benchmark Wins
    Claude Opus 4.7 10|27 Kimi K3

    Verdict

    Claude Opus 4.7 vs Kimi K3: the bottom line

    Kimi K3 offers both lower pricing and stronger benchmark performance across the board, making it the clear value leader in this comparison.

    Claude Opus 4.7 vs Kimi K3 FAQ

    Which is cheaper, Claude Opus 4.7 or Kimi K3?

    As of August 20, 2026, Kimi K3 is 40% cheaper on blended LLM API pricing. Kimi K3 costs $3.00 per million input tokens and $15.00 per million output tokens ($18.00 blended 1M-in + 1M-out). Claude Opus 4.7 costs $5.00 / $25.00 per million tokens ($30.00 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 Opus 4.7 vs Kimi K3 cost per million tokens?

    Claude Opus 4.7 Claude API pricing from Anthropic is $5.00 input and $25.00 output per million tokens via Anthropic. Kimi K3 Moonshot AI API pricing is $3.00 input and $15.00 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 Opus 4.7 or Kimi K3?

    Kimi K3 leads on SWE-bench Verified: Claude Opus 4.7 at 87.6% vs Kimi K3 at 93.4%. SWE-bench measures real GitHub fixes; LiveCodeBench measures contest programming.

    What is the context window for Claude Opus 4.7 vs Kimi K3?

    Claude Opus 4.7 supports a 1M token context window, while Kimi K3 supports 1M tokens. Kimi K3 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 Opus 4.7 or Kimi K3?

    Kimi K3 leads on 27 of 37 shared benchmarks versus Claude Opus 4.7's 10 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 Opus 4.7 or Kimi K3 better for production use?

    Both Claude Opus 4.7 and Kimi K3 are production API models. For cost-sensitive production traffic, Kimi K3 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 Opus 4.7 and Kimi K3 in my app?

    Yes. Call Claude Opus 4.7 through Anthropic and Kimi K3 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 Opus 4.7 vs Kimi K3 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 Opus 4.7 and Kimi K3?

    Claude Opus 4.7 supports up to 128K output tokens per request, while Kimi K3 supports up to 1M 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 Opus 4.7 or Kimi K3?

    Claude Opus 4.7 runs at approximately 42 tokens/second while Kimi K3 runs at 8.253358168863906 tokens/second. Claude Opus 4.7 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 Claude Opus 4.7 vs Kimi K3 comparison?

    Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Claude Opus 4.7 or Kimi K3 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 Opus 4.7 vs Kimi K3 pricing

    This comparison covers API pricing, context window, throughput, and benchmark scores. Claude Opus 4.7 costs $5.00/M input and $25.00/M output. Kimi K3 costs $3.00/M input and $15.00/M output.

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

    The index

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