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Claude Opus 4.8 vs grok-4-1-fast-non-reasoning

Compare Claude Opus 4.8 from Anthropic and grok-4-1-fast-non-reasoning from Grok on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

AnthropicClaude Opus 4.8Grokgrok-4-1-fast-non-reasoning
+ Add model · 2/4
Anthropic logo
Claude Opus 4.8
Anthropic · text, image, pdf → text

Claude Opus 4.5 is Anthropic’s latest frontier reasoning model, optimized for complex engineering, agentic workflows, and long-horizon computer use. It features strong multimodal capabilities, improved resistance to prompt injection, and a new Verbosity parameter to control token efficiency. With advanced tool use, extended context, and multi-agent support, Opus 4.5 excels in autonomous research, debugging, planning, and spreadsheet/browser operations.

Input$5 /M
Output$25 /M
Cache read$0.5 /M
Details
Grok logo
grok-4-1-fast-non-reasoning
Grok · text, image → text

grok-4-1-fast-non-reasoning

Input$0.2 /M
Output$0.5 /M
Cache read$0.05 /M
Details

Pricing & Specifications

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

Claude Opus 4.8
grok-4-1-fast-non-reasoning
Input /M
$5
$0.2
Output /M
$25
$0.5
Cache read /M
$0.5
$0.05
Context length
1,000,000
1,000,000
Max output
128,000
2,000,000
Time to First Token
-
-
Throughput
-
-
Modalities
textimagepdf
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputs
thinkingtoolsfunction callingstructured outputs
API Formats
Released
May 28, 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.

claude-opus-4-8grok-4-1-fast-non-reasoning

Tokens / day

-

Requests / day

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Performance Past 3 Days

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

claude-opus-4-8grok-4-1-fast-non-reasoning

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

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Cost calculator

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

grok-4-1-fast-non-reasoning
$19.50 /mo
Claude Opus 4.8
$675 /mo

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

FAQ

Which is cheaper: Claude Opus 4.8, grok-4-1-fast-non-reasoning?

grok-4-1-fast-non-reasoning: $0.5/M output tokens; Claude Opus 4.8: $25/M. Use the cost calculator above to estimate your own workload.

How large is each context window?

Claude Opus 4.8 accepts 1,000,000 and grok-4-1-fast-non-reasoning accepts 1,000,000 input tokens. Maximum output per request is 128,000 tokens on Claude Opus 4.8 and 2,000,000 tokens on grok-4-1-fast-non-reasoning.

What inputs and capabilities does each model support?

Claude Opus 4.8 accepts text, image and PDF input and supports thinking, tool calling, function calling and structured outputs; grok-4-1-fast-non-reasoning accepts text and image input and supports thinking, tool calling, function calling and structured outputs.

Can I call Claude Opus 4.8 and grok-4-1-fast-non-reasoning 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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