Grok 4.3 vs MiMo-V2.5-Pro

API pricing, context window and capabilities for Grok 4.3 and MiMo-V2.5-Pro, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

MiMo-V2.5-Pro wins on price, on Terminal-Bench and on intelligence.

Price
MiMo-V2.5-Pro
Terminal-Bench
MiMo-V2.5-Pro
Intelligence
MiMo-V2.5-Pro
Context window
Tied

Key takeaways

who wins on what, from the published numbers

Grok 4.3 wins

  • Higher max output (1M vs 131K)
  • More serving providers (6 vs 4)
  • Supports vision
  • Has web search

MiMo-V2.5-Pro wins

  • Cheaper input ($1.25 vs $0.435 /1M)
  • Cheaper output ($2.50 vs $0.87 /1M)
Cheaper overall
MiMo-V2.5-Pro
$0.435 + $0.87 /1M
Larger context
Tied
More providers
Grok 4.3
6 providers

Pricing & specs

cheapest listed route · per 1M tokens
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
Grok 4.3MiMo-V2.5-Pro
Input $/1M$1.25via xAI $0.435OpenRouter routed quote best
Output $/1M$2.50via xAI $0.87OpenRouter routed quote best
Context window1M 1M
Max output1M best131K
Serving providers6 best4
DateReleased Apr 18, 2026 Released Apr 22, 2026

Benchmarks

Benchmark scores, side by side
Grok 4.3MiMo-V2.5-Pro
Intelligence24.9 26.0 best
Terminal-Bench40% 65% best
GPQA Diamond90% best87%
Output speed113 t/s best39 t/s
Latency (TTFT)27.23s 2.31s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Grok 4.3
via OpenRouter
$8.75
MiMo-V2.5-Pro
via OpenRouter
$3.04

Capabilities

feature support, side by side
FeatureGrok 4.3MiMo-V2.5-Pro
Vision✓—
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching✓✓
Structured output✓✓
Web search✓—

Related comparisons

Frequently asked questions

Which is cheaper, Grok 4.3 or MiMo-V2.5-Pro?
MiMo-V2.5-Pro is cheaper for input ($1.25 vs $0.435 per 1M tokens) as an OpenRouter routed quote. MiMo-V2.5-Pro is cheaper for output ($2.50 vs $0.87 per 1M tokens) as an OpenRouter routed quote.
What is the context window difference between Grok 4.3 and MiMo-V2.5-Pro?
Both Grok 4.3 and MiMo-V2.5-Pro have about a 1M-token context window.
How do Grok 4.3 and MiMo-V2.5-Pro compare on benchmarks?
On the tracked benchmarks, MiMo-V2.5-Pro leads on Terminal-Bench, and MiMo-V2.5-Pro leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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