API cost decision in 10 seconds

GLM 5 Turbo vs 🔥Claude Opus 4.6

Pick GLM 5 Turbo for lower cost; pick Claude Opus 4.6 only if the larger context window matters more.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick GLM 5 Turbo for lower cost; pick Claude Opus 4.6 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, GLM 5 Turbo is estimated at $3.2 vs $17.5 for Claude Opus 4.6, saving $14.3 (81.7% lower).

Cost-first pickGLM 5 Turbo
Context-first pickClaude Opus 4.6
Sample savings$14.381.7%
10x traffic gap$143

Claude Opus 4.6 has more context, but GLM 5 Turbo saves $14.3 on the standard workload. At 10x that traffic, the same price gap is about $143. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

GLM 5 Turbo stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGLM 5 TurboClaude Opus 4.6
Input-heavy / RAG 5M input + 500K output GLM 5 Turbo $8 $37.5
Balanced workload 1M input + 1M output GLM 5 Turbo $5.2 $30
Output-heavy chatbot 1M input + 5M output GLM 5 Turbo $21.2 $130
Cheaper inputGLM 5 Turbo$1.2 vs $5 / 1M
Cheaper outputGLM 5 Turbo$4 vs $25 / 1M
Larger contextClaude Opus 4.6202.75K vs 1M
Sample workloadGLM 5 Turbo$3.2 vs $17.5

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GLM 5 TurboCalculating…Estimated API cost
Claude Opus 4.6Calculating…Estimated API cost
Cheaper for this workloadCalculating…Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

GLM 5 Turbo has the lower input price, GLM 5 Turbo has the lower output price, and Claude Opus 4.6 offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $3.2 for GLM 5 Turbo and $17.5 for Claude Opus 4.6.

Best Fit

Choose GLM 5 Turbo when you care most about lower input-token price, and lower output-token price.

Choose Claude Opus 4.6 when you care most about larger context window.

Head-to-Head Specs
FeatureGLM 5 Turbo
(Z.ai)		🔥Claude Opus 4.6
(Anthropic)
Input Price
prompt tokens per 1M		$1.2$5
Completion Price
per 1M tokens		$4$25
Sample Workload Cost
1M input + 500K output		$3.2$17.5
Context Window202.75K1M
Release Date2026-03-152026-02-04
Popularity#18
GLM 5 Turbo

GLM-5 Turbo is a new model from Z.ai designed for fast inference and strong performance in agent-driven environments such as OpenClaw scenarios. It is deeply optimized for real-world agent workflows...

Claude Opus 4.6

Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGLM 5 TurboOn the standard 1M input plus 500K output workload, GLM 5 Turbo is estimated at $3.2 vs $17.5 for Claude Opus 4.6, saving $14.3 (81.7% lower).
High-volume input processingGLM 5 TurboLower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsGLM 5 TurboLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workClaude Opus 4.6A larger context window leaves more room for retrieved passages and source files.