Hy3 vs Solar Pro 4

Hy3 leads the LLM Stats Score 43.2 to 35.3. Hy3 is 2.1x cheaper per token.

Tencent · Upstage · Updated for 2026

Which is better?

Hy3 leads the overall LLM Stats Score 43.2 to 35.3, ranking #40 overall.

In the 5 individual benchmarks reported for both models, Hy3 wins 5; this is a narrower head-to-head signal than the composite indexes.

On price, Hy3 is roughly 2.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Solar Pro 4 also accepts a larger context window (524,288 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Hy3

overall performance matters — it scores 43.2 and ranks #40 on LLM Stats
your work emphasizes reasoning and coding — it leads those capability indexes
you value its reported benchmark strengths — it wins 5 of 5 exact shared results
cost matters — it's about 2.1x cheaper per token
you need open weights you can self-host or fine-tune

Choose Solar Pro 4

you process long inputs — it offers a 524,288 token context window
you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Better token value: Hy3

Core performance indexes

LLM Stats Score

43.2

#40 · 29 evals

Best

35.3

#86 · 9 evals

Reasoning

43.2

#41 · 23 evals

Best

34.9

#81 · 9 evals

Coding

33.5

#33 · 10 evals

Best

21.2

#87 · 3 evals

Agents

27.4

#42 · 14 evals

Best

11.9

#105 · 3 evals

Cost, coverage & limits

Benchmark wins

5 of 5

Best

0 of 5

Input price

$0.14 / M

Best

$0.30 / M

Output price

$0.58 / M

Best

$1.20 / M

Context window

262,144

524,288

Best

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared

Index

Hy3

Solar Pro 4

Math

37.0#32 · 8 evals

32.3#59 · 2 evals

Tool use

21.7#49 · 3 evals

11.7#108 · 2 evals

Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

31 reported for Hy3 · 9 for Solar Pro 4

5 shared

Hy3 outperforms in 5 benchmarks (AA-LCR, BrowseComp, GPQA, SWE-Bench Verified, Terminal-Bench 2.1), while Solar Pro 4 is better at 0 benchmarks.

Hy3 significantly outperforms across most benchmarks.

Thu Sep 10 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Hy3 costs less

For input processing, Hy3 ($0.14/1M tokens) is 2.1x cheaper than Solar Pro 4 ($0.30/1M tokens).

For output processing, Hy3 ($0.58/1M tokens) is 2.1x cheaper than Solar Pro 4 ($1.20/1M tokens).

In conclusion, Solar Pro 4 is more expensive than Hy3.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Thu Sep 10 2026 • llm-stats.com

Hy3

Input tokens$0.14

Output tokens$0.58

Best providerDeepinfra

Solar Pro 4

Input tokens$0.30

Output tokens$1.20

Best providerUnknown Organization

Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Solar Pro 4 accepts 524,288 input tokens compared to Hy3's 262,144 tokens. Hy3 can generate longer responses up to 262,144 tokens, while Solar Pro 4 is limited to 131,072 tokens.

Hy3

Input262,144 tokens

Output262,144 tokens

Solar Pro 4

Input524,288 tokens

Output131,072 tokens

Thu Sep 10 2026 • llm-stats.com

License

Usage and distribution terms

Hy3 is licensed under Apache 2.0, while Solar Pro 4 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Hy3

Apache 2.0

Open weights

Solar Pro 4

Proprietary

Closed source

Release Timeline

When each model was launched

Hy3 was released on 2026-07-06, while Solar Pro 4 was released on 2026-08-06.

Solar Pro 4 is 1 month newer than Hy3.

Hy3

Jul 6, 2026

2 months ago

Solar Pro 4

Aug 6, 2026

1 months ago

1mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Hy3 is available from DeepInfra. Solar Pro 4 is available from Upstage.

Hy3

Deepinfra

Input Price:Input: $0.14/1MOutput Price:Output: $0.58/1M

Solar Pro 4

Unknown Organization

Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Hy3 and Solar Pro 4 side-by-side, then vote on the output you prefer.

Hy3

✓ Preferred

Solar Pro 4

Open in Playground

FAQ

Common questions about Hy3 vs Solar Pro 4.

Which is better, Hy3 or Solar Pro 4?

Hy3 leads the LLM Stats Score 43.2 to 35.3. Hy3 is made by Tencent and Solar Pro 4 is made by Upstage. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Hy3 compare to Solar Pro 4 in benchmarks?

Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%. Solar Pro 4 scores AIME 2026: 95.3%, GPQA: 89.0%, LiveCodeBench: 87.8%, MMLU-Pro: 86.3%, AA-LCR: 71.0%.

Is Hy3 cheaper than Solar Pro 4?

Hy3 is 2.1x cheaper for input tokens. Hy3 costs $0.14/M input and $0.58/M output via deepinfra. Solar Pro 4 costs $0.30/M input and $1.20/M output via upstage.

What are the context window sizes for Hy3 and Solar Pro 4?

Hy3 supports 262K tokens and Solar Pro 4 supports 524K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Hy3 and Solar Pro 4?

Key differences include LLM Stats Score (43.2 vs 35.3), context window (262K vs 524K), input pricing ($0.14 vs $0.30/M), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy3 and Solar Pro 4?

Hy3 is developed by Tencent and Solar Pro 4 is developed by Upstage.

Hy3 vs Solar Pro 4