Models

Claude Opus 4.7 Thinking vs Kimi K3

Output tokens cost $25.00 per million on Claude Opus 4.7 Thinking and $15.00 per million on Kimi K3. Input tokens cost $5.00 per million on Claude Opus 4.7 Thinking and $3.00 per million on Kimi K3. Cached input tokens are billed at $0.50 per million on Claude Opus 4.7 Thinking and $0.30 per million on Kimi K3. Context lengths are 200,000 tokens on Claude Opus 4.7 Thinking and 1,048,576 tokens on Kimi K3. Time to first token (TTFT) measured on AIHubMix is 1.6s on Claude Opus 4.7 Thinking and 0.9s on Kimi K3. Measured output throughput is 89.2 tok/s on Claude Opus 4.7 Thinking and 73.1 tok/s on Kimi K3. On the LMArena coding leaderboard Claude Opus 4.7 Thinking scores 1547 and Kimi K3 scores 1531.

AnthropicClaude Opus 4.7 ThinkingMoonshot AIKimi K3
Anthropic logo
Claude Opus 4.7 Thinking
Anthropic · image, text → text

The claude-opus-4-7-think model has adaptive thinking mode pre-enabled; the default thinking intensity is "medium", and it can be invoked directly via the OpenAI unified API. The claude-opus-4-7 model does not display thinking content by default; you need to set the extra parameter "display": "summarized" to enable it.

Input$5.00 /M
Output$25.00 /M
Moonshot AI logo
Kimi K3
Moonshot AI · text, image, video → text

Kimi K3 is Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window and industry-leading intelligence.

Input$3.00 /M
Output$15.00 /M

Pricing & Specifications

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

Claude Opus 4.7 Thinking
Kimi K3
Input /M
$5.00
$3.00
Output /M
$25.00
$15.00
Cache read /M
$0.50
$0.30
Context length
200,000
1,048,576
Max output
32,000
1,048,576
Time to First Token
1.6 s
0.9 s
Throughput
89.2 tok/s
73.1 tok/s
Modalities
imagetext
textimagevideo
Supported Parameters
thinkingtoolsfunction callingstructured outputs
thinkingfunction callingstructured outputs
API Formats
Released
-
-

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-4-7-thinkkimi-k3

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

claude-opus-4-7-thinkkimi-k3

Throughput (tok/s)

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TTFT (s)

-

Uptime (%)

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LMArena Benchmarks

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

Text
claude-opus-4-7-thinkkimi-k3
1440148015201560
Overall
14861494
Coding
15311547
Math
14911491
Hard prompts
15051518
Instruction following
14791493
Multi-turn
14991515
Creative writing
14701481
Longer query
15021507
Chinese
15271534
English
14911500

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.

Kimi K3
$405 /mo
Claude Opus 4.7 Thinking
$675 /mo

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

FAQ

Which is cheaper: Claude Opus 4.7 Thinking, Kimi K3?

Kimi K3: $15.00/M output tokens; Claude Opus 4.7 Thinking: $25.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Claude Opus 4.7 Thinking: 1547; Kimi K3: 1531 (LMArena coding leaderboard).

Which responds faster?

Kimi K3: 0.9s 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?

Claude Opus 4.7 Thinking accepts 200,000 and Kimi K3 accepts 1,048,576 input tokens. Maximum output per request is 32,000 tokens on Claude Opus 4.7 Thinking and 1,048,576 tokens on Kimi K3.

Which one generates tokens faster?

Claude Opus 4.7 Thinking at 89.2 tok/s and Kimi K3 at 73.1 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Claude Opus 4.7 Thinking accepts image and text input and supports thinking, tool calling, function calling and structured outputs; Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs.

Can I call Claude Opus 4.7 Thinking and Kimi K3 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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