Models

Claude Fable 5 vs GLM 5.2

Output tokens cost $55.00 per million on Claude Fable 5 and $3.94 per million on GLM 5.2. Input tokens cost $11.00 per million on Claude Fable 5 and $1.13 per million on GLM 5.2. Cached input tokens are billed at $1.10 per million on Claude Fable 5 and $0.28 per million on GLM 5.2. Context lengths are 1,000,000 tokens on Claude Fable 5 and 1,000,000 tokens on GLM 5.2. Time to first token (TTFT) measured on AIHubMix is 2.4s on Claude Fable 5 and 1.1s on GLM 5.2. Measured output throughput is 51.4 tok/s on Claude Fable 5 and 37.0 tok/s on GLM 5.2. On the LMArena coding leaderboard Claude Fable 5 scores 1551 and GLM 5.2 scores 1505.

AnthropicClaude Fable 5Z.AIGLM 5.2
Anthropic logo
Claude Fable 5
Anthropic · text, image → text

Anthropic's most capable widely released model, for the most demanding reasoning and long-horizon agentic work(This model is extremely expensive and is not recommended for casual use.)

Input$11.00 /M
Output$55.00 /M
Z.AI logo
GLM 5.2
Z.AI · text → text

GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks. With a truly usable 1M-token context window, it can handle project-level engineering context, execute long-running tasks more reliably, follow engineering standards more consistently, and complete the full development workflow from requirements to multi-platform deployment in a single task.

Input$1.13 /M
Output$3.94 /M

Pricing & Specifications

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

Claude Fable 5
GLM 5.2
Input /M
$11.00
$1.13
Output /M
$55.00
$3.94
Cache read /M
$1.10
$0.28
Context length
1,000,000
1,000,000
Max output
128,000
128,000
Time to First Token
2.4 s
1.1 s
Throughput
51.4 tok/s
37.0 tok/s
Modalities
textimage
text
Supported Parameters
thinkingtoolsfunction callingstructured outputs
thinkingtoolsfunction callingstructured outputs
API Formats
chat_completions · claude_api
chat_completions · claude_api
Released
June 9, 2026
June 16, 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.

claude-fable-5glm-5.2

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-fable-5glm-5.2

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-fable-5glm-5.2
14201460150015401580
Overall
14701508
Coding
15051551
Math
14751528
Hard prompts
14881533
Instruction following
14621512
Multi-turn
14701516
Creative writing
14501508
Longer query
14791522
Chinese
15161556
English
14771514
WebDev Arena
claude-fable-5glm-5.2
1520158016401700
Overall
15821626
React
15941630
HTML
15371666
Gaming
16171697
Simulations
16061670
Data analytics
15421553

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.

GLM 5.2
$127 /mo
Claude Fable 5
$1,485 /mo

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

FAQ

Which is cheaper: Claude Fable 5, GLM 5.2?

GLM 5.2: $3.94/M output tokens; Claude Fable 5: $55.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Claude Fable 5: 1551; GLM 5.2: 1505 (LMArena coding leaderboard).

Which responds faster?

GLM 5.2: 1.1s 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 Fable 5 accepts 1,000,000 and GLM 5.2 accepts 1,000,000 input tokens. Maximum output per request is 128,000 tokens on Claude Fable 5 and 128,000 tokens on GLM 5.2.

Which one generates tokens faster?

Claude Fable 5 at 51.4 tok/s and GLM 5.2 at 37.0 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 Fable 5 accepts text and image input and supports thinking, tool calling, function calling and structured outputs; GLM 5.2 accepts text input and supports thinking, tool calling, function calling and structured outputs.

Can I call Claude Fable 5 and GLM 5.2 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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