GPT-4 vs Hy3 preview
Updated October 21, 2026. 28 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
GPT-4 and Hy3 preview are level for coding, 22.4 against 22.4 on the Vibe Coding Index, so price and context decide.
Pick Hy3 preview when output tokens cost 100.0x less, or when the context window is larger, 262K against 8K tokens.
- Shared results
- 28
- GPT-4 only
- 17
- Hy3 preview only
- 8
- Like-for-like categories
- 6 of 9
Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, four public coding benchmarks
No call
Level: 22.4 against 22.4, inside 2 points.
One benchmark behind each score
Intelligence
AA Intelligence Index
Hy3 preview
Hy3 preview leads, 25.3 against 6.7.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Hy3 preview has a AA Agentic Index result, 24.1.
Directional only
Long documents
Listed context window
Hy3 preview
Hy3 preview takes 262K tokens against 8K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Hy3 preview
GPT-4 $0.060, Hy3 preview $0.0005 per turn.
List prices
At a glance
- Coding index
- GPT-4 22.4 from 1 benchmark, Hy3 preview 22.4 from 1 benchmark.
- Widest category
- Reasoning, 41.8 points apart on average over 4 shared benchmarks.
- Widest single gap
- GPQA Diamond (Artificial Analysis run): GPT-4 34.9% against Hy3 preview 86.7%, 51.8 points apart on a 0 to 100 scale.
- Output price
- GPT-4 $60.00 against Hy3 preview $0.60 per million output tokens, 100.0x apart.
- Context window
- GPT-4 takes 8K tokens, Hy3 preview 262K.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | GPT-4 | Bars | Hy3 preview | Ties |
|---|---|---|---|---|
| Coding | 0 | 3 | ||
| Intelligence | 0 | 1 | ||
| Reasoning | 0 | 4 | ||
| Math | 0 | 2 | ||
| Knowledge | 0 | 4 | ||
| General | 0 | 14 | ||
| All shared boards | 0 | 28 |
CodingLike-for-likeFour of these boards feed the Vibe Coding Index03
| Benchmark | GPT-4 | Hy3 preview | Leader |
|---|---|---|---|
| SWE-bench Verified | 22.4% | Not measured | Only GPT-4 measured |
| SWE-bench Lite | 39.7% | Not measured | Only GPT-4 measured |
| SWE-bench (full test set) | 12.5% | Not measured | Only GPT-4 measured |
| LMArena WebDev | Not measured | 1357 | Only Hy3 preview measured |
| AA Coding Index | 13.1 | 58.8 | Hy3 preview |
| Terminal-Bench Hard (Artificial Analysis run) | Not measured | 34.1% | Only Hy3 preview measured |
| LMArena Text: coding | 1209 | 1421 | Hy3 preview |
| LMArena Text: software and IT | 1195 | 1423 | Hy3 preview |
| LMArena WebDev: React | Not measured | 1349 | Only Hy3 preview measured |
| LMArena WebDev: HTML | Not measured | 1356 | Only Hy3 preview measured |
| Neither model has a result on the other 28 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | GPT-4 | Hy3 preview | Leader |
|---|---|---|---|
| AA Intelligence Index | 6.7 | 25.3 | Hy3 preview |
| Epoch Capabilities Index | 125.7 | Not measured | Only GPT-4 measured |
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | GPT-4 | Hy3 preview | Leader |
|---|---|---|---|
| AA Agentic Index | Not measured | 24.1 | Only Hy3 preview measured |
| τ²-Bench Telecom | Not measured | 92.7% | Only Hy3 preview measured |
| Neither model has a result on the other 37 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index04
| Benchmark | GPT-4 | Hy3 preview | Leader |
|---|---|---|---|
| GPQA Diamond (Artificial Analysis run) | 34.9% | 86.7% | Hy3 preview |
| Humanity's Last Exam (Artificial Analysis run) | Not measured | 27.8% | Only Hy3 preview measured |
| BIG-Bench Hard | 75.1% | Not measured | Only GPT-4 measured |
| LMArena Text: hard prompts | 1200 | 1413 | Hy3 preview |
| LMArena Text: expert | 1149 | 1422 | Hy3 preview |
| LMArena Text: hard prompts in English | 1209 | 1416 | Hy3 preview |
| Neither model has a result on the other 15 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index02
| Benchmark | GPT-4 | Hy3 preview | Leader |
|---|---|---|---|
| GSM8K | 92.0% | Not measured | Only GPT-4 measured |
| LMArena Text: math | 1230 | 1424 | Hy3 preview |
| LMArena Text: mathematical work | 1228 | 1442 | Hy3 preview |
| Neither model has a result on the other 10 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
| Benchmark | GPT-4 | Hy3 preview | Leader |
|---|---|---|---|
| MMLU Pro (Artificial Analysis run) | 56.2% | Not measured | Only GPT-4 measured |
| MMLU | 86.4% | Not measured | Only GPT-4 measured |
| AI2 Reasoning Challenge | 96.3% | Not measured | Only GPT-4 measured |
| LMArena Text: science | 1177 | 1416 | Hy3 preview |
| LMArena Text: medicine and healthcare | 1145 | 1405 | Hy3 preview |
| LMArena Text: legal and government | 1191 | 1430 | Hy3 preview |
| LMArena Text: business and finance | 1145 | 1397 | Hy3 preview |
| Neither model has a result on the other 10 boards here | |||
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | GPT-4 | Hy3 preview | Leader |
|---|---|---|---|
| Neither model has a result on 9 boards here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index014
| Benchmark | GPT-4 | Hy3 preview | Leader |
|---|---|---|---|
| IFBench | 33.2% | 63.1% | Hy3 preview |
| Long context reasoning (AA-LCR) | Not measured | 64.7% | Only Hy3 preview measured |
| DTBench | 62.7% | Not measured | Only GPT-4 measured |
| LMCA | 17.1% | Not measured | Only GPT-4 measured |
| HellaSwag | 95.3% | Not measured | Only GPT-4 measured |
| WinoGrande | 87.5% | Not measured | Only GPT-4 measured |
| LMArena Text | 1206 | 1401 | Hy3 preview |
| LMArena Text: instruction following | 1201 | 1383 | Hy3 preview |
| LMArena Text: creative writing | 1191 | 1339 | Hy3 preview |
| LMArena Text: English | 1220 | 1409 | Hy3 preview |
| LMArena Text: non-English | 1194 | 1390 | Hy3 preview |
| LMArena Text: Chinese | 1184 | 1435 | Hy3 preview |
| LMArena Text: German | 1198 | Not measured | Only GPT-4 measured |
| LMArena Text: Japanese | 1137 | Not measured | Only GPT-4 measured |
| LMArena Text: Korean | 1087 | Not measured | Only GPT-4 measured |
| LMArena Text: French | 1220 | 1425 | Hy3 preview |
| LMArena Text: Spanish | 1197 | 1399 | Hy3 preview |
| LMArena Text: Russian | 1195 | 1399 | Hy3 preview |
| LMArena Text: Polish | 1265 | Not measured | Only GPT-4 measured |
| LMArena Text: multi-turn | 1206 | 1411 | Hy3 preview |
| LMArena Text: longer queries | 1190 | 1402 | Hy3 preview |
| LMArena Text: writing and language | 1219 | 1370 | Hy3 preview |
| LMArena Text: entertainment and media | 1184 | 1352 | Hy3 preview |
| Neither model has a result on the other 23 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | GPT-4 | Hy3 preview | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Hy3 preview costs less
Repository review
50K input + 3K output tokens
Hy3 preview costs less
Agent loop
200K input + 10K output tokens
Hy3 preview costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | OpenAI GPT-4 | Tencent Hy3 preview |
|---|---|---|
| Maker | OpenAI | Tencent |
| Weights | No public weights listed | Open weights |
| Released | May 28, 2023 | April 22, 2026 |
| Context window | 8K | 262K |
| Input $/Mtok | $30.00 | $0.18 |
| Output $/Mtok | $60.00 | $0.60 |
| Coding index | 22.4 | 22.4 |
| Independent measurements behind it | 1 | 1 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is GPT-4 better than Hy3 preview for coding?
GPT-4 and Hy3 preview are level for coding, 22.4 against 22.4 on the Vibe Coding Index, so price and context decide. Pick Hy3 preview when output tokens cost 100.0x less, or when the context window is larger, 262K against 8K tokens.
Which is cheaper, GPT-4 or Hy3 preview?
GPT-4 costs $30.00 per million input tokens and $60.00 per million output tokens; Hy3 preview costs $0.18 and $0.60. Cost per solved task is known for neither of them.
Which has the bigger context window, GPT-4 or Hy3 preview?
Hy3 preview, with 262K tokens against 8K.
How many benchmarks is the GPT-4 vs Hy3 preview comparison based on?
28 benchmarks have a result for both models as of October 21, 2026. GPT-4's coding index rests on 1 independent benchmark and Hy3 preview's on 1. Where only one model has a result, the page says so instead of naming a winner.