Claude Fable 5.1vsGLM 5.2
GLM 5.2 is cheaper than Claude Fable 5.1 at $1.4/M vs $10/M input tokens.
| Spec | Claude Fable 5.1 | GLM 5.2 |
|---|---|---|
| Input price | $10/M tokens | $1.4/M tokens |
| Output price | $50/M tokens | $4.4/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | Yes (1 provider) |
| Released | Sep 2026 | Jun 2026 |
Our Verdict
Claude Fable 5.1
GLM 5.2
Not enough votes to call it. On the specs, nothing separates them.
GLM 5.2 costs 11x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Claude Fable 5.1
Input
$10.00
Output
$50.00
GLM 5.2
Input
$1.40
7.1× cheaper
Output
$4.40
11× cheaper
GLM 5.2 is cheaper on both: 7.1× input, 11× output.
Where to run it
27 hosts, cheapest first
GLM 5.223 hosts
DeepInfrafp4$0.49 in$1.56 out1M98.9% upAmbientfp8$0.60 in$2.00 out203k95.9% upStreamLakefp8$0.64 in$2.02 out1M99% upNovitafp8$0.65 in$2.04 out1M100% upDigitalOcean$0.70 in$2.20 out262k98% upCoreWeavefp4$0.76 in$2.42 out1M99.6% up
17 more hostsFewer hosts
AtlasCloudfp8$0.94 in$2.95 out1M99.9% upAlibaba Cloudfp8$0.97 in$3.04 out1M100% upInceptronfp4$1.10 in$2.99 out1M99.2% upSiliconFlowfp8$1.19 in$3.74 out1M99.7% upPhalafp8$1.26 in$3.00 out1M99.8% upBaidu Qianfanfp8$1.40 in$4.40 out1M99.9% upBasetenfp8$1.40 in$4.40 out1M100% upCloudflare Workers AI$1.40 in$4.40 out262k99.9% upFireworks$1.40 in$4.40 out1M99.9% upFriendli$1.40 in$4.40 out1M99.8% upGMI Cloudfp8$1.40 in$4.40 out1M99.4% upMistral$1.40 in$4.40 out1M99.9% upParasailfp4$1.40 in$4.40 out262k99.9% upTogether$1.40 in$4.40 out512k99.6% upVenicefp8$1.40 in$4.40 out1M99.7% upZ.aifp8$1.40 in$4.40 out1M99.6% upDecartfp4$2.10 in$6.60 out1M99.3% up
Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.
Research
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