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gpt-oss-120b vs Hy4 preview

gpt-oss-120b

OpenAI

40#203
vs
Hy4 preview

Tencent

40#204
Signal-by-Signal Comparison
Signalgpt-oss-120bDeltaHy4 preview
Capabilities
67
--
67
Benchmarks
46
+46
0
Pricing
100
+2
98
Context window size
81
-14
96
Recency
62
-38
100
Output Capacity
81
+4
77
Overall Result
3 wins
of 6
2 wins
gpt-oss-120b wins 3 of 6 signals

Score History

Score History (28 data points)
gpt-oss-120bHy4 preview
gpt-oss-120b

40.4

current score

Leader

gpt-oss-120b

right now

Hy4 preview

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

gpt-oss-120b

OpenAI

Best Value
Per request$0.000122
Daily$0.41
Monthly$12.20
Annual$146.40

Hy4 preview

Tencent

Per request$0.002084
Daily$6.95
Monthly$208.45
Annual$2501.40

gpt-oss-120b saves you $196.25/month

That's $2355.00/year compared to Hy4 preview at your current usage level of 100K calls/month.

94% cheaper
Choose gpt-oss-120b for cost optimization

gpt-oss-120b pricing:
Input:$0.04/M tokens
Output:$0.17/M tokens
Hy4 preview pricing:
Input:$0.83/M tokens
Output:$2.50/M tokens
Winner
gpt-oss-120b

OpenAI

40

Composite Score

Hy4 preview

Tencent

40

Composite Score

Signal-by-Signal Comparison
Metricgpt-oss-120bHy4 previewWinner
Overall Score
40
40
gpt-oss-120b
Rank#203#204
gpt-oss-120b
Quality Rank#203#204
gpt-oss-120b
Adoption Rank#203#204
gpt-oss-120b
Parameters120B----
Context Window131K1049K
Hy4 preview
Pricing$0.04/$0.17/M$0.83/$2.50/M--
Signal Scores
Capabilities
67
67
gpt-oss-120b
Benchmarks
46
--
gpt-oss-120b
Pricing
100
98
gpt-oss-120b
Context window size
81
96
Hy4 preview
Recency
62
100
Hy4 preview
Output Capacity
81
77
gpt-oss-120b
Benchmark Head-to-Head(2 benchmarks)
gpt-oss-120b: 0Hy4 preview: 0
gpt-oss-120b
Hy4 preview
Normalized 0-100%
SWE-bench Verified
26%-
Arena Elo
1352-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

gpt-oss-120bEntry Level

Scores 40/100 (rank #203), placing it in the top 30% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Hy4 previewEntry Level

Scores 40/100 (rank #204), placing it in the top 30% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose gpt-oss-120b when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose Hy4 preview when you need:

  • Processing long documents or large codebases (1049K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
gpt-oss-120bBest Value
Input cost$0.04/M tokens
Output cost$0.17/M tokens
Cost per quality point$0.005
Est. monthly (1M tokens/day)$3.10
Hy4 preview
Input cost$0.83/M tokens
Output cost$2.50/M tokens
Cost per quality point$0.083
Est. monthly (1M tokens/day)$50.02

gpt-oss-120b offers 94% better value per quality point. At 1M tokens/day, you'd spend $3.10/month with gpt-oss-120b vs $50.02/month with Hy4 preview - a $46.92 monthly difference.

Latency & Speed
gpt-oss-120bFaster
Speed score0/100
Hy4 preview
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

gpt-oss-120b

Customer support chatbot

Suitable for user-facing chat with competitive response times. gpt-oss-120b also offers lower per-token costs for high-volume support

gpt-oss-120b

Long document analysis

Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass

Hy4 preview

Batch data extraction

Lower output pricing ($0.17/M) reduces costs when processing thousands of records daily

gpt-oss-120b

Creative writing & content

Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content

gpt-oss-120b
Which Should You Choose?
Our recommendation:
gpt-oss-120b

gpt-oss-120b and Hy4 preview are extremely close in overall performance (only 0.3999999999999986 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

gpt-oss-120b
Recommended

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 94% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Tencent

Consider for specialized use cases.

Capability Comparison
Capabilitygpt-oss-120bHy4 preview
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

gpt-oss-120b

OpenAI

Best Value
$0.2706
estimated monthly cost

Hy4 preview

Tencent

$4.50
estimated monthly cost

gpt-oss-120b saves you $4.23/month

That's 94% cheaper than Hy4 preview at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
Parametergpt-oss-120bHy4 preview
Context Window131K1.0M
Max Output Tokens117,96464,000
Open SourceYesNo
CreatedAug 5, 2025Aug 28, 2026
Last updated: 31m ago

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gpt-oss-120b vs Hy4 preview (2026) | LM Market Cap