Model comparison
GPT-5.5 Pro vs MiniMax M2.5
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: GPT-5.5 Pro #38 (Estimated); MiniMax M2.5 #55 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. GPT-5.5 Pro and MiniMax M2.5 share 0 comparable benchmark results. 0 of 8 categories are comparable. 7 results are unique to GPT-5.5 Pro; 1 to MiniMax M2.5.
Updated July 22, 2026- Shared results
- 0
- GPT-5.5 Pro only
- 7
- MiniMax M2.5 only
- 1
- Comparable categories
- 0 / 8
Benchmark data for GPT-5.5 Pro and MiniMax M2.5 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.
GPT-5.5 Pro is priced at $30.00 input / $180.00 output per 1M tokens, versus $0.30 input / $1.20 output per 1M tokens for MiniMax M2.5. GPT-5.5 Pro has the larger context window at 1M, compared with 128K for MiniMax M2.5.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | GPT-5.5 Pro | MiniMax M2.5 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | GPT-5.5 Pro$30 input / $180 output | MiniMax M2.5$0.3 input / $1.2 output | MiniMax M2.5 has the lower combined listed price. |
| Generation speedtokens per second | GPT-5.5 ProNot available | MiniMax M2.546 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | GPT-5.5 ProNot available | MiniMax M2.52.12 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | GPT-5.5 Pro1M | MiniMax M2.5128K | GPT-5.5 Pro lists the larger context window. |
Benchmark Deep Dive
Agentic1 benchmarks
| Benchmark | GPT-5.5 Pro | MiniMax M2.5 | Result |
|---|---|---|---|
| BrowseCompSource | 90.1% | — | Not comparable |
Coding1 benchmarks
| Benchmark | GPT-5.5 Pro | MiniMax M2.5 | Result |
|---|---|---|---|
| Vibe Code BenchSource | — | 14.85% | Not comparable |
Reasoning1 benchmarks
| Benchmark | GPT-5.5 Pro | MiniMax M2.5 | Result |
|---|---|---|---|
| CritPtSource | 30.6% | — | Not comparable |
Knowledge2 benchmarks
Frequently Asked Questions (3)
Can I compare GPT-5.5 Pro and MiniMax M2.5 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 GPT-5.5 Pro and MiniMax M2.5 today?
GPT-5.5 Pro: $30.00 input / $180.00 output per 1M tokens MiniMax M2.5: $0.30 input / $1.20 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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