As of August 20, 2026, Laguna S 2.1 is 55% cheaper per million tokens than Hy3. Hy3 is $0.13 / $0.53 per million input/output tokens versus Laguna S 2.1 at $0.10 / $0.20. Sources: https://www.tencentcloud.com/document/product/1300/78937 and https://poolside.ai
Sources: Tencent pricing (https://www.tencentcloud.com/document/product/1300/78937); Poolside pricing (https://poolside.ai)
Hy3
Tencent
Input
$0.13
Output
$0.53
Laguna S 2.1
Poolside
Input
$0.10
Output
$0.20
Token pricing, specs, and benchmarks side by side
Hy3Laguna S 2.1Verdict
Laguna S 2.1 offers both lower pricing and stronger benchmark performance across the board, making it the clear value leader in this comparison.
As of August 20, 2026, Laguna S 2.1 is 55% cheaper on blended LLM API pricing. Laguna S 2.1 costs $0.10 per million input tokens and $0.20 per million output tokens ($0.30 blended 1M-in + 1M-out). Hy3 costs $0.13 / $0.53 per million tokens ($0.66 blended). Sources: https://www.tencentcloud.com/document/product/1300/78937 and https://poolside.ai. The cheapest LLM for your app still depends on how many output tokens you generate.
Hy3 Tencent API pricing is $0.13 input and $0.53 output per million tokens via Tencent. Laguna S 2.1 Poolside API pricing is $0.10 input and $0.20 output per million tokens via Poolside. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.
Hy3 has a published SWE-bench Verified score of 78%. Laguna S 2.1 does not have that eval on this page yet.
Hy3 supports a 262K token context window, while Laguna S 2.1 supports 1M tokens. Laguna S 2.1 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.
Laguna S 2.1 leads on 3 of 4 shared benchmarks versus Hy3's 1 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.
Both Hy3 and Laguna S 2.1 are production API models. For cost-sensitive production traffic, Laguna S 2.1 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 Hy3 through Tencent and Laguna S 2.1 through Poolside 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 Tencent API pricing and Poolside API pricing, quoted per million tokens. Official rate sheets: https://www.tencentcloud.com/document/product/1300/78937 and https://poolside.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.
Hy3 supports up to an unspecified number of output tokens per request, while Laguna S 2.1 supports up to an unspecified number of 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 Hy3 nor Laguna S 2.1 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 Hy3 or Laguna S 2.1 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. Hy3 costs $0.13/M input and $0.53/M output. Laguna S 2.1 costs $0.10/M input and $0.20/M output.
Rank both on the LLM leaderboard, SWE-bench, and Humanity's Last Exam.
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