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gpt-oss-20b (batch) vs Granite 4.2 8B

vs
Signal-by-Signal Comparison
Signalgpt-oss-20b (batch)DeltaGranite 4.2 8B
Capabilities
67
--
67
Benchmarks
56
+4
52
Pricing
100
+0
100
Context window size
81
--
81
Recency
55
-45
100
Output Capacity
81
--
81
Overall Result
2 wins
of 6
1 wins
gpt-oss-20b (batch) wins 2 of 6 signals

Score History

Score History (7 data points)
gpt-oss-20b (batch)Granite 4.2 8B
gpt-oss-20b (batch)

57.4

current score

Leader

gpt-oss-20b (batch)

right now

Granite 4.2 8B

54.2

current score

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

gpt-oss-20b (batch)

OpenAI

Best Value
Per request$0.000080
Daily$0.27
Monthly$8.00
Annual$96.00

Granite 4.2 8B

IBM

Per request$0.000185
Daily$0.62
Monthly$18.50
Annual$222.00

gpt-oss-20b (batch) saves you $10.50/month

That's $126.00/year compared to Granite 4.2 8B at your current usage level of 100K calls/month.

57% cheaper
Choose gpt-oss-20b (batch) for cost optimization

gpt-oss-20b (batch) pricing:
Input:$0.02/M tokens
Output:$0.11/M tokens
Granite 4.2 8B pricing:
Input:$0.06/M tokens
Output:$0.25/M tokens
Winner
gpt-oss-20b (batch)

OpenAI

57

Composite Score

Granite 4.2 8B

IBM

54

Composite Score

Signal-by-Signal Comparison
Metricgpt-oss-20b (batch)Granite 4.2 8BWinner
Overall Score
57
54
gpt-oss-20b (batch)
Rank#228#230
gpt-oss-20b (batch)
Quality Rank#228#230
gpt-oss-20b (batch)
Adoption Rank#228#230
gpt-oss-20b (batch)
Parameters20B8B--
Context Window131K131K--
Pricing$0.02/$0.11/M$0.06/$0.25/M--
Signal Scores
Capabilities
67
67
gpt-oss-20b (batch)
Benchmarks
56
52
gpt-oss-20b (batch)
Pricing
100
100
gpt-oss-20b (batch)
Context window size
81
81
gpt-oss-20b (batch)
Recency
55
100
Granite 4.2 8B
Output Capacity
81
81
gpt-oss-20b (batch)
Benchmark Head-to-Head(1 benchmarks)
gpt-oss-20b (batch): 1Granite 4.2: 0
gpt-oss-20b (batch)
Granite 4.2
Normalized 0-100%
Arena Elo
13171290
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-20b (batch)Competitive

Scores 57/100 (rank #228), placing it in the top 22% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Granite 4.2 8BCompetitive

Scores 54/100 (rank #230), placing it in the top 21% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 3-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-20b (batch) 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 Granite 4.2 8B when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
gpt-oss-20b (batch)Best Value
Input cost$0.02/M tokens
Output cost$0.11/M tokens
Cost per quality point$0.002
Est. monthly (1M tokens/day)$2.04
Granite 4.2 8B
Input cost$0.06/M tokens
Output cost$0.25/M tokens
Cost per quality point$0.006
Est. monthly (1M tokens/day)$4.65

gpt-oss-20b (batch) offers 56% better value per quality point. At 1M tokens/day, you'd spend $2.04/month with gpt-oss-20b (batch) vs $4.65/month with Granite 4.2 8B - a $2.61 monthly difference.

Latency & Speed
gpt-oss-20b (batch)Faster
Speed score0/100
Granite 4.2 8B
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-20b (batch)

Customer support chatbot

Suitable for user-facing chat with competitive response times. gpt-oss-20b (batch) also offers lower per-token costs for high-volume support

gpt-oss-20b (batch)

Long document analysis

Larger context window (131K tokens) can process longer documents, contracts, and research papers in a single pass

gpt-oss-20b (batch)

Batch data extraction

Lower output pricing ($0.11/M) reduces costs when processing thousands of records daily

gpt-oss-20b (batch)

Creative writing & content

Higher overall composite score (57/100) correlates with better nuance, coherence, and style in long-form content

gpt-oss-20b (batch)
Which Should You Choose?
Our recommendation:
gpt-oss-20b (batch)

gpt-oss-20b (batch) has a moderate advantage with a 3.1999999999999957-point lead in composite score. It wins on more signal dimensions, but Granite 4.2 8B has specific strengths that could make it the better choice for certain workflows.

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 56% 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 IBM

Consider for specialized use cases.

Capability Comparison
Capabilitygpt-oss-20b (batch)Granite 4.2 8B
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-20b (batch)

OpenAI

Best Value
$0.1776
estimated monthly cost

Granite 4.2 8B

IBM

$0.4080
estimated monthly cost

gpt-oss-20b (batch) saves you $0.2304/month

That's 56% cheaper than Granite 4.2 8B 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-20b (batch)Granite 4.2 8B
Context Window131K131K
Max Output Tokens117,964117,964
Open SourceYesYes
CreatedAug 5, 2025Aug 31, 2026
Last updated: 16m ago

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gpt-oss-20b (batch) vs Granite 4.2 8B (2026) | LM Market Cap