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Claude Haiku 5.5 vs GLM 5.3 Prime

Detailed technical comparison between Claude Haiku 5.5 (Anthropic) and GLM 5.3 Prime (Zhipu AI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

Claude Haiku 5.5: 2 WinsvsGLM 5.3 Prime: 4 Wins
Context Leader

Tie

Equal Capacity
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Claude Haiku 5.5

$0.10 / MTok
Anthropicactive

Claude Haiku 5.5

Claude Haiku 5.5 is an advanced artificial intelligence model engineered by Anthropic. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Claude Haiku 5.5 represents a key architectural iteration in the Anthropic model family. First released in 2026-10-07, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,000,000 tokens (approximately 1,333 words), Claude Haiku 5.5 processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View Claude Haiku 5.5 Full Specs →
Zhipu AIactive

GLM 5.3 Prime

GLM 5.3 Prime is an advanced artificial intelligence model engineered by Zhipu AI. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, GLM 5.3 Prime represents a key architectural iteration in the Zhipu AI model family. First released in 2026-09-23, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,000,000 tokens (approximately 1,333 words), GLM 5.3 Prime processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View GLM 5.3 Prime Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationClaude Haiku 5.5GLM 5.3 Prime
ProviderAnthropicZhipu AI
Context Window1,000,000 tokens1,000,000 tokens
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelmanaged apimanaged api
Production StabilityBeta Access (est.)Beta Access (est.)
API AvailableYesYes
Released Date2026-10-072026-09-23

API Pricing Comparison

Input Price per Million Tokens

Claude Haiku 5.5

$0.10

GLM 5.3 Prime

$2.80

Output Price per Million Tokens

Claude Haiku 5.5

$0.50

GLM 5.3 Prime

$8.80

💡 Cost Ratio: Claude Haiku 5.5 is 28.0x cheaper per input token than GLM 5.3 Prime.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
78.4%vs81.0%+2.6% GLM 5.3 Prime
Claude Haiku 5.5
GLM 5.3 Prime 🏆
HumanEvalPython coding & logic synthesis
76.6%vs79.2%+2.6% GLM 5.3 Prime
Claude Haiku 5.5
GLM 5.3 Prime 🏆
MATHComplex mathematical problem solving
53.8%vs56.4%+2.6% GLM 5.3 Prime
Claude Haiku 5.5
GLM 5.3 Prime 🏆
GPQAGraduate-level expert reasoning
39.2%vs38.4%+0.8% Claude Haiku 5.5
Claude Haiku 5.5 🏆
GLM 5.3 Prime
HellaSwagCommonsense reasoning and inference
81.4%vs80.6%+0.8% Claude Haiku 5.5
Claude Haiku 5.5 🏆
GLM 5.3 Prime
MT-BenchMulti-turn conversation flow quality
8.4%vs8.7%+0.3% GLM 5.3 Prime
Claude Haiku 5.5
GLM 5.3 Prime 🏆

Claude Haiku 5.5 Quirks & Gotchas

No developer gotchas reported.

GLM 5.3 Prime Quirks & Gotchas

No developer gotchas reported.

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