Models

Grok 4.5 vs MiniMax M2.5

Output tokens cost $6.00 per million on Grok 4.5 and $1.15 per million on MiniMax M2.5. Input tokens cost $2.00 per million on Grok 4.5 and $0.29 per million on MiniMax M2.5. Cached input tokens are billed at $0.50 per million on Grok 4.5 and $0.29 per million on MiniMax M2.5. Context lengths are 500,000 tokens on Grok 4.5 and 204,800 tokens on MiniMax M2.5. Time to first token (TTFT) measured on AIHubMix is 1.9s on Grok 4.5 and 3.8s on MiniMax M2.5. Measured output throughput is 26.7 tok/s on Grok 4.5 and 71.4 tok/s on MiniMax M2.5. On the LMArena coding leaderboard Grok 4.5 scores 1523 and MiniMax M2.5 scores 1445.

GrokGrok 4.5MinimaxMiniMax M2.5
Grok logo
Grok 4.5
Grok · text, image → text

Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.

Input$2.00 /M
Output$6.00 /M
Minimax logo
MiniMax M2.5
Minimax · text → text

The MiniMax M2.5 is a flagship programming model built for real-world productivity. As a production-grade model natively designed for Agent scenarios, it has achieved state-of-the-art (SOTA) performance in coding, agentic tool use, search, and office work.

Input$0.29 /M
Output$1.15 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

Grok 4.5
MiniMax M2.5
Input /M
$2.00
$0.29
Output /M
$6.00
$1.15
Cache read /M
$0.50
$0.29
Context length
500,000
204,800
Max output
500,000
192,000
Time to First Token
1.9 s
3.8 s
Throughput
26.7 tok/s
71.4 tok/s
Modalities
textimage
text
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
thinkingtoolsfunction callingstructured outputs
API Formats
Released
July 2026
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Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

grok-4.5minimax-m2.5

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

grok-4.5minimax-m2.5

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
grok-4.5minimax-m2.5
1340140014601520
Overall
13911470
Coding
14451523
Math
13971478
Hard prompts
14161495
Instruction following
13801466
Multi-turn
13941477
Creative writing
13581449
Longer query
14031485
Chinese
14291511
English
14151475
WebDev Arena
grok-4.5minimax-m2.5
1340142015001580
Overall
13811556
React
13721559
HTML
14031577
Gaming
15861586
Simulations
15981598
Data analytics
15221522

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

MiniMax M2.5
$34.56 /mo
Grok 4.5
$210 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: Grok 4.5, MiniMax M2.5?

MiniMax M2.5: $1.15/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Grok 4.5: 1523; MiniMax M2.5: 1445 (LMArena coding leaderboard).

Which responds faster?

Grok 4.5: 1.9s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

Grok 4.5 accepts 500,000 and MiniMax M2.5 accepts 204,800 input tokens. Maximum output per request is 500,000 tokens on Grok 4.5 and 192,000 tokens on MiniMax M2.5.

Which one generates tokens faster?

MiniMax M2.5 at 71.4 tok/s and Grok 4.5 at 26.7 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context; MiniMax M2.5 accepts text input and supports thinking, tool calling, function calling and structured outputs.

Can I call Grok 4.5 and MiniMax M2.5 with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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