As of August 20, 2026, Sakana Namazu is 45% cheaper per million tokens than Composer 2 Fast. Composer 2 Fast is $1.50 / $7.50 per million input/output tokens versus Sakana Namazu at $0.95 / $4.00. Sources: https://cursor.com/docs/models/cursor-composer-2 and https://sakana.ai
Sources: Cursor pricing (https://cursor.com/docs/models/cursor-composer-2); Sakana AI pricing (https://sakana.ai)
Composer 2 Fast
Cursor
Input
$1.50
Output
$7.50
Sakana Namazu
Sakana AI
Input
$0.95
Output
$4.00
Token pricing, specs, and benchmarks side by side
Composer 2 FastSakana NamazuVerdict
Both models are closely matched on benchmarks. Sakana Namazu has the pricing advantage, making it the better value unless Composer 2 Fast's specific capabilities are critical to your workflow.
As of August 20, 2026, Sakana Namazu is 45% cheaper on blended LLM API pricing. Sakana Namazu costs $0.95 per million input tokens and $4.00 per million output tokens ($4.95 blended 1M-in + 1M-out). Composer 2 Fast costs $1.50 / $7.50 per million tokens ($9.00 blended). Sources: https://cursor.com/docs/models/cursor-composer-2 and https://sakana.ai. The cheapest LLM for your app still depends on how many output tokens you generate.
Composer 2 Fast Cursor API pricing is $1.50 input and $7.50 output per million tokens via Cursor. Sakana Namazu Sakana AI API pricing is $0.95 input and $4.00 output per million tokens via Sakana AI. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.
Neither Composer 2 Fast nor Sakana Namazu has a published SWE-bench or LiveCodeBench score on this page yet. Use the comparison table for the evals that do exist.
Composer 2 Fast supports a 200K token context window, while Sakana Namazu supports 256K tokens. Sakana Namazu 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.
Shared benchmark scores for Composer 2 Fast and Sakana Namazu are still limited. Check the comparison table for the evals each model has published. 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.
Both Composer 2 Fast and Sakana Namazu are production API models. For cost-sensitive production traffic, Sakana Namazu 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.
Yes. Call Composer 2 Fast through Cursor and Sakana Namazu through Sakana 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.
List rates are the latest published Cursor API pricing and Sakana AI API pricing, quoted per million tokens. Official rate sheets: https://cursor.com/docs/models/cursor-composer-2 and https://sakana.ai. 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.
Composer 2 Fast supports up to an unspecified number of output tokens per request, while Sakana Namazu supports up to 256K output tokens. Output tokens are usually the expensive half of API pricing, so a higher max output cap is a capability, not a discount.
Neither Composer 2 Fast nor Sakana Namazu has published throughput data on this page yet. 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.
Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Composer 2 Fast or Sakana Namazu from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.
This comparison covers API pricing, context window, throughput, and benchmark scores. Composer 2 Fast costs $1.50/M input and $7.50/M output. Sakana Namazu costs $0.95/M input and $4.00/M output.
Rank both on the LLM leaderboard, SWE-bench, and Humanity's Last Exam.
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