Grok 4.5 vs Inkling

API pricing, context window and capabilities for Grok 4.5 and Inkling, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

Grok 4.5 wins on Terminal-Bench and on intelligence. Inkling wins on price and on context window.

Price
Inkling
Terminal-Bench
Grok 4.5
Intelligence
Grok 4.5
Context window
Inkling

Key takeaways

who wins on what, from the published numbers

Grok 4.5 wins

  • Higher max output (500K vs 33K)
  • Has web search

Inkling wins

  • Cheaper input ($2.00 vs $0.95 /1M)
  • Cheaper output ($6.00 vs $4.05 /1M)
  • Larger context window (500K vs 1M)
  • More serving providers (3 vs 6)
Cheaper overall
Inkling
$0.95 + $4.05 /1M
Larger context
Inkling
1M
More providers
Inkling
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.
Grok 4.5Inkling
Input $/1M$2.00via xAI $0.95via DeepInfra best
Output $/1M$6.00via xAI $4.05via Baseten best
Context window500K 1M best
Max output500K best33K
Serving providers3 6 best
DateReleased Jul 7, 2026 Released Jul 16, 2026

Benchmarks

Benchmark scores, side by side
Grok 4.5Inkling
Intelligence38.8 best25.0
Terminal-Bench82% best55%
GPQA Diamond93% best87%
Output speed63 t/s 186 t/s best
Latency (TTFT)13.52s 1.91s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Grok 4.5
via OpenRouter
$16
Inkling
via DeepInfra
$8.80

Capabilities

feature support, side by side
FeatureGrok 4.5Inkling
Vision✓✓
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching✓✓
Structured output✓✓
Web search✓—

Related comparisons

Frequently asked questions

Which is cheaper, Grok 4.5 or Inkling?
Inkling is cheaper for input ($2.00 vs $0.95 per 1M tokens) from DeepInfra. Inkling is cheaper for output ($6.00 vs $4.05 per 1M tokens) from Baseten.
What is the context window difference between Grok 4.5 and Inkling?
Grok 4.5 has a 500K-token context window and Inkling has 1M tokens, so Inkling can take a larger prompt.
How do Grok 4.5 and Inkling compare on benchmarks?
On the tracked benchmarks, Grok 4.5 leads on Terminal-Bench, and Grok 4.5 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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