Models

AIHubMix Phi 4 Mini (reasoning) vs Claude Opus 4.8

Compare AIHubMix Phi 4 Mini (reasoning) from Microsoft and Claude Opus 4.8 from Anthropic on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

MicrosoftAIHubMix Phi 4 Mini (reasoning)AnthropicClaude Opus 4.8
Microsoft logo
AIHubMix Phi 4 Mini (reasoning)
Microsoft · text → text

Phi-4-mini-reasoning is a lightweight open model designed for advanced mathematical reasoning and logic-intensive problem-solving. It is particularly well-suited for tasks such as formal proofs, symbolic computation, and solving multi-step word problems. With its efficient architecture, the model balances high-quality reasoning performance with cost-effective deployment, making it ideal for educational applications, embedded tutoring, and lightweight edge or mobile systems. Phi-4-mini-reasoning supports a 128K token context length, enabling it to process and reason over long mathematical problems and proofs. Built on synthetic and high-quality math datasets, the model leverages advanced fine-tuning techniques such as supervised fine-tuning and preference modeling to enhance reasoning capabilities. Its training incorporates safety and alignment protocols, ensuring robust and reliable performance across supported use cases.

Input$0.12 /M
Output$0.12 /M
Anthropic logo
Claude Opus 4.8
Anthropic · text, image, pdf → text

Claude Opus 4.8 is Anthropic’s newest and most powerful publicly available model. It is suitable for the most complex tasks. It is Anthropic’s strongest model for complex reasoning, long-horizon agent programming, and highly autonomous work.claude-opus-4-8 does not display thought content by default; you need to set the additional parameter "display": "summarized" to enable it

Input$5 /M
Output$25 /M
Cache read$0.5 /M

Pricing & Specifications

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

AIHubMix Phi 4 Mini (reasoning)
Claude Opus 4.8
Input /M
$0.12
$5
Output /M
$0.12
$25
Cache read /M
-
$0.5
Context length
128,000
1,000,000
Max output
4,000
128,000
Time to First Token
-
1.1 s
Throughput
-
82.6 tok/s
Modalities
text
textimagepdf
Supported Parameters
thinkingtoolsfunction callingstructured outputs
API Formats
chat_completions · claude_api
Released
-
May 28, 2026

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.

AiHubmix-Phi-4-mini-reasoningclaude-opus-4-8

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

AiHubmix-Phi-4-mini-reasoningclaude-opus-4-8

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

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

Text
AiHubmix-Phi-4-mini-reasoningclaude-opus-4-8
1180128013801480
Overall
12561473
Coding
13061527
Math
12651474
Hard prompts
12781503
Instruction following
12451477
Multi-turn
12411495
Creative writing
12101465
Longer query
12661499
Chinese
12671523
English
12721480

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.

AIHubMix Phi 4 Mini (reasoning)
$9.00 /mo
Claude Opus 4.8
$675 /mo

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

FAQ

Which is cheaper: AIHubMix Phi 4 Mini (reasoning), Claude Opus 4.8?

AIHubMix Phi 4 Mini (reasoning): $0.12/M output tokens; Claude Opus 4.8: $25/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Claude Opus 4.8: 1527; AIHubMix Phi 4 Mini (reasoning): 1306 (LMArena coding leaderboard).

How large is each context window?

AIHubMix Phi 4 Mini (reasoning) accepts 128,000 and Claude Opus 4.8 accepts 1,000,000 input tokens. Maximum output per request is 4,000 tokens on AIHubMix Phi 4 Mini (reasoning) and 128,000 tokens on Claude Opus 4.8.

What inputs and capabilities does each model support?

AIHubMix Phi 4 Mini (reasoning) accepts text input; Claude Opus 4.8 accepts text, image and PDF input and supports thinking, tool calling, function calling and structured outputs.

Can I call AIHubMix Phi 4 Mini (reasoning) and Claude Opus 4.8 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.

Popular comparisons

Related model match-ups readers also look at.