Model comparison
Grok 4.1 Fast 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: Grok 4.1 Fast #107 (Supported); MiniMax M2.5 #55 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Grok 4.1 Fast and MiniMax M2.5 share 0 comparable benchmark results. 0 of 8 categories are comparable. 13 results are unique to Grok 4.1 Fast; 1 to MiniMax M2.5.
Updated July 21, 2026- Shared results
- 0
- Grok 4.1 Fast only
- 13
- MiniMax M2.5 only
- 1
- Comparable categories
- 0 / 8
Benchmark data for Grok 4.1 Fast 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.
MiniMax M2.5 is priced at $0.30 input / $1.20 output per 1M tokens, versus $0.20 input / $0.50 output per 1M tokens for Grok 4.1 Fast. Grok 4.1 Fast 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 | Grok 4.1 Fast | MiniMax M2.5 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Grok 4.1 Fast$0.2 input / $0.5 output | MiniMax M2.5$0.3 input / $1.2 output | Grok 4.1 Fast has the lower combined listed price. |
| Generation speedtokens per second | Grok 4.1 Fast138 tok/s | MiniMax M2.546 tok/s | Grok 4.1 Fast has the higher measured throughput. |
| First-answer latencyseconds to first token | Grok 4.1 Fast0.54 s | MiniMax M2.52.12 s | Grok 4.1 Fast reaches the first token sooner. |
| Context windowmaximum listed tokens | Grok 4.1 Fast1M | MiniMax M2.5128K | Grok 4.1 Fast lists the larger context window. |
Benchmark Deep Dive
Agentic2 benchmarks
Coding2 benchmarks
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | Grok 4.1 Fast | MiniMax M2.5 | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 16.9% | — | Not comparable |
| AA-GPQA DiamondSource | 63.7% | — | Not comparable |
| AA-HLESource | 5.0% | — | Not comparable |
| AA-Omniscience IndexSource | -50.9% | — | Not comparable |
| AA-Omniscience AccuracySource | 17.0% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 81.8% | — | Not comparable |
Multimodal1 benchmarks
| Benchmark | Grok 4.1 Fast | MiniMax M2.5 | Result |
|---|---|---|---|
| AA-MMMU-ProSource | 48.4% | — | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Grok 4.1 Fast | MiniMax M2.5 | Result |
|---|---|---|---|
| AA-IFBenchSource | 36.5% | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Grok 4.1 Fast 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 Grok 4.1 Fast and MiniMax M2.5 today?
Grok 4.1 Fast: $0.20 input / $0.50 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.
Related Comparisons
Explore More
Choose a model with this week’s evidence
Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.
One email each week. Unsubscribe anytime.