Model comparison
Claude 4.1 Opus Thinking vs GPT-5 mini
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude 4.1 Opus Thinking #184 (Supported); GPT-5 mini #153 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude 4.1 Opus Thinking and GPT-5 mini share 0 comparable benchmark results. 0 of 8 categories are comparable. 9 results are unique to Claude 4.1 Opus Thinking; 1 to GPT-5 mini.
Updated July 21, 2026- Shared results
- 0
- Claude 4.1 Opus Thinking only
- 9
- GPT-5 mini only
- 1
- Comparable categories
- 0 / 8
Benchmark data for Claude 4.1 Opus Thinking and GPT-5 mini is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Claude 4.1 Opus Thinking has the larger context window at 200K, compared with 128K for GPT-5 mini.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude 4.1 Opus Thinking | GPT-5 mini | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude 4.1 Opus ThinkingNot available | GPT-5 mini$0.25 input / $2 output | A complete price comparison is not available. |
| Generation speedtokens per second | Claude 4.1 Opus Thinking29 tok/s | GPT-5 mini86 tok/s | GPT-5 mini has the higher measured throughput. |
| First-answer latencyseconds to first token | Claude 4.1 Opus Thinking15.00 s | GPT-5 mini65.32 s | Claude 4.1 Opus Thinking reaches the first token sooner. |
| Context windowmaximum listed tokens | Claude 4.1 Opus Thinking200K | GPT-5 mini128K | Claude 4.1 Opus Thinking lists the larger context window. |
Benchmark Deep Dive
Agentic1 benchmarks
| Benchmark | Claude 4.1 Opus Thinking | GPT-5 mini | Result |
|---|---|---|---|
| τ²-bench resultsSource | 71.4% | — | Not comparable |
Coding2 benchmarks
Reasoning2 benchmarks
Knowledge3 benchmarks
Multimodal1 benchmarks
| Benchmark | Claude 4.1 Opus Thinking | GPT-5 mini | Result |
|---|---|---|---|
| AA-MMMU-ProSource | 67.9% | — | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Claude 4.1 Opus Thinking | GPT-5 mini | Result |
|---|---|---|---|
| AA-IFBenchSource | 55.4% | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Claude 4.1 Opus Thinking and GPT-5 mini on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Claude 4.1 Opus Thinking and GPT-5 mini today?
Claude 4.1 Opus Thinking: Pricing unavailable GPT-5 mini: $0.25 input / $2.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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