Model Comparison
Claude Opus 4.6 (Non-reasoning, High Effort)
vs. gpt-oss-120b (high)
Comparing 2 AI models · 10 benchmarks · Anthropic, OpenAI
Recommended Pick
AnClaude Opus 4.6 (Non-reasoning, High Effort)8 metric winsStrongest on: TTFT, Latency, Intelligence
Best Value
gpt-oss-120b (high)
100.0 value score
61.7 reasoning / $0.26/1M
Lowest Price
gpt-oss-120b (high)
$0.15/1M input price
Best Reasoning
gpt-oss-120b (high)
61.7 reasoning score
Blends available reasoning benchmarks
Best for Coding
gpt-oss-120b (high)
30.4 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
gpt-oss-120b (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
gpt-oss-120b (high) is 33.3x cheaper on input tokens than Claude Opus 4.6 (Non-reasoning, High Effort).
Reasoning gap
gpt-oss-120b (high) leads Claude Opus 4.6 (Non-reasoning, High Effort) by 14.4 points on reasoning.
Top-pick rationale
Claude Opus 4.6 (Non-reasoning, High Effort) wins 8 measurable categories, including TTFT, Latency, Intelligence, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Claude Opus 4.6 (Non-reasoning, High Effort)
Anthropic
TTFT
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Time
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tok/s
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Tokens
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Cost
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gpt-oss-120b (high)
OpenAI
TTFT
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Time
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tok/s
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Tokens
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Cost
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Which answer was more useful?
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Full Comparison
| Metric | Top Pick An Claude Opus 4.6 (Non-reasoning, High Effort) | Op gpt-oss-120b (high) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $5.00/1M | $0.15/1M |
| Output Cost | $25.00/1M | $0.60/1M |
| Blended (3:1) | $10.00/1M | $0.26/1M |
| Specifications | ||
| Organization | Anthropic | OpenAI |
| Release Date | Feb 5, 2026 | Aug 5, 2025 |
| Performance & Speed | ||
| Throughput | — | 159.3 tok/s |
| TTFT | — | 563ms |
| Latency | — | 13116ms |
| Composite Indices | ||
| Value Score | 2.0 | 100.0 |
| Reasoning Score | 47.3 | 61.7 |
| Intelligence | 38.8 | 24.1 |
| Coding | — | 30.4 |
| Math | — | 93.4 |
| Standard Benchmarks | ||
| GPQA | 84.0% | 78.2% |
| MMLU Pro | — | 80.8% |
| HLE | 19.1% | 19.6% |
| LiveCodeBench | — | 87.8% |
| AIME 2025 | — | 93.4% |
| SciCode | 45.7% | 38.9% |
| LCR | 62.3% | 51.0% |
| IFBench | 44.6% | 69.0% |
| TAU-bench v2 | 84.8% | 65.8% |
| TerminalBench Hard | 48.5% | 23.5% |
Key Takeaways
gpt-oss-120b (high) offers the best value at $0.15/1M,making it ideal for high-volume applications and cost-conscious projects.
gpt-oss-120b (high) has the strongest reasoning profile with a 61.7 reasoning score,combining the available reasoning-heavy benchmarks.
gpt-oss-120b (high) reaches a 30.4 coding index,making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Claude Opus 4.6 (Non-reasoning, High Effort)
- General-purpose AI
- Versatile applications
gpt-oss-120b (high)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
