GLM-5.3 vs Muse Spark 1.3 API pricing
For a chat message (1K input, 500 output), GLM-5.3 costs $0.000779 per request and Muse Spark 1.3 costs $0.00337, so GLM-5.3 is about 4.3× cheaper.
On the overall leaderboard GLM-5.3 ranks #15 and Muse Spark 1.3 ranks #9.
Prices are the standard pay-as-you-go prices in OpenRouter's public model list, with input at the cache-miss price. Models OpenRouter does not list use the vendor's official price; those listed in CNY are converted to USD at this round's exchange rate.
Prices and rankings
| USD per million tokens | GLM-5.3 | Muse Spark 1.3 |
|---|---|---|
| Input | $0.079 | $1.25 |
| Output | $1.4 | $4.25 |
| Cached input | $0.078 | $0.15 |
| Provider | Z.ai | Meta |
| Release date | 2026-08-18 | 2026-09-02 |
| Overall rank | #15 | #9 |
| Coding rank | #24 | — |
| Reasoning rank | #29 | #18 |
| Knowledge rank | — | — |
| Professional work rank | #14 | #28 |
| Verified | 2026-10-19 | 2026-10-19 |
| Price source | Price source | Price source |
Cost per request by usage
Without cache discounts or batch pricing.
| Usage | GLM-5.3 | Muse Spark 1.3 | Difference |
|---|---|---|---|
| Chat message1K in / 500 out | $0.000779$0.78 per 1,000 | $0.00337$3.38 per 1,000 | GLM-5.3 is 4.3× cheaper |
| Long document100K in / 2K out | $0.0107$10.7 per 1,000 | $0.13$133.5 per 1,000 | GLM-5.3 is 12× cheaper |
| Agent session500K in / 50K out | $0.11$109.5 per 1,000 | $0.84$837.5 per 1,000 | GLM-5.3 is 7.6× cheaper |
More price comparisons
GLM-5.3 vs other models
- GLM-5.3 vs Claude Opus 5.5
- GLM-5.3 vs GPT-6 Astra
- GLM-5.3 vs Gemini 4 Argon
- GLM-5.3 vs Claude Fable 5.1
- GLM-5.3 vs Claude Fable 5
- GLM-5.3 vs GPT-6.1 Sol
- GLM-5.3 vs Claude Opus 5
- GLM-5.3 vs Claude Sonnet 5.5
- GLM-5.3 vs GPT-6 Sol
- GLM-5.3 vs GPT-5.6 Sol
- GLM-5.3 vs Grok 4.7
- GLM-5.3 vs MiMo V 2.6 Pro
- GLM-5.3 vs Qwen3.8 Max
Muse Spark 1.3 vs other models
- Muse Spark 1.3 vs Claude Opus 5.5
- Muse Spark 1.3 vs GPT-6 Astra
- Muse Spark 1.3 vs Gemini 4 Argon
- Muse Spark 1.3 vs Claude Fable 5.1
- Muse Spark 1.3 vs Claude Fable 5
- Muse Spark 1.3 vs GPT-6.1 Sol
- Muse Spark 1.3 vs Claude Opus 5
- Muse Spark 1.3 vs Claude Sonnet 5.5
- Muse Spark 1.3 vs GPT-6 Sol
- Muse Spark 1.3 vs GPT-5.6 Sol
- Muse Spark 1.3 vs Grok 4.7
- Muse Spark 1.3 vs MiMo V 2.6 Pro
- Muse Spark 1.3 vs Qwen3.8 Max