GPT-5.4 vs GLM-5.3
Benchmark Performance
Available Benchmarks
| Benchmark | GPT-5.4 | GLM-5.3 |
|---|---|---|
| LMArena Agent Arenaagent-2026-08-31-011508720696 · outcome_score · statistical tie | 3.2599% of row best · score · GPT 5.4 (High); 95% CI [2.38938480, 4.10626048]; sessions 76973; observations 3360684; rank 21 | 3.82100% of row best · score · GLM 5.3 (Max); 95% CI [3.01733683, 4.62585790]; sessions 41022; observations 2958163; rank 20 |
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,452.5199% of row best · rating · gpt-5.4; 95% CI [1448.73439083, 1456.28324387]; votes 63615; rank 37 | 1,474.49100% of row best · rating · glm-5.3-max; 95% CI [1467.12172899, 1481.86064533]; votes 7401; rank 18 |
| LiveBench2026-06-25 · overall · leader | 82.38100% of row best · percent · gpt-5.4-xhigh · 18,273 output tokens / case | 79.1596% of row best · percent · glm-5.3 · 62,090 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above · 1 tie | 1 benchmark winTied overall | 1 benchmark winTied overall |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | GPT-5.4 | GLM-5.3 |
|---|---|---|
| Developer | OpenAI | Z.ai |
| Family | Gpt 5 4 | Glm 5 3 |
| Model | GPT-5.4 | GLM-5.3 |
| Version | GPT-5.4 | GLM-5.3 |
| Lifecycle | active | active |
| Released | 2026-03-05 | Unknown |
| Knowledge cutoff | 2025-08-31 | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 1,050,000 | 1,000,000 |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Openai (Standard), Openrouter (Standard) | Deepinfra (Standard), Fireworks Ai (Standard), Together Ai (Standard), Z.ai (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | agents, chat, reasoning, structured_outputs, tools |
13 comparable fields · 8 material differences · Pair passes the primary-source comparison gate
GPT-5.4 Capabilities
GLM-5.3 Capabilities
Internal Comparison Graph
Related Comparisons
| A | Pair | B | Context |
|---|---|---|---|
 Hy4 previewTencent | vs |  GLM-5.3Z.ai | cross-developer peerstext |
 GPT-5.4OpenAI | vs | GPT-5.5OpenAI | family variantsimage, text |
GPT-5.3-CodexOpenAI | vs | GPT-5.4OpenAI | family variantsimage, text |
Claude Opus 4.6Anthropic | vs | GPT-5.4OpenAI | cross-developer peersimage, text |
Claude Opus 4.7Anthropic | vs | GPT-5.4OpenAI | cross-developer peersimage, text |
Claude Sonnet 4.6Anthropic | vs | GPT-5.4OpenAI | cross-developer peersimage, text |
GPT-4.1OpenAI | vs | GPT-5.4OpenAI | family variantsimage, text |
GPT-4.1 MiniOpenAI | vs | GPT-5.4OpenAI | family variantsimage, text |
Claude Opus 4.8Anthropic | vs | GPT-5.4OpenAI | cross-developer peersimage, text |
Claude Opus 5Anthropic | vs | GPT-5.4OpenAI | cross-developer peersimage, text |
Claude Sonnet 5Anthropic | vs | GPT-5.4OpenAI | cross-developer peersimage, text |
 Qwen3.7-PlusQwen | vs | GLM-5.3Z.ai | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
GPT-5.4 vs GLM-5.3 FAQs
Is GPT-5.4 or GLM-5.3 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both GPT-5.4 and GLM-5.3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, GPT-5.4 or GLM-5.3?+
GPT-5.4 is $2.50 and GLM-5.3 is $1.20 per million tokens, so GLM-5.3 is cheaper on this metric. GPT-5.4 is $15.00 and GLM-5.3 is $4.00 per million tokens, so GLM-5.3 is cheaper on this metric.
Which has a larger context window, GPT-5.4 or GLM-5.3?+
GPT-5.4 has the larger sourced context window. GPT-5.4 supports 1,050,000 and GLM-5.3 supports 1,000,000.
Which performs better in benchmarks, GPT-5.4 or GLM-5.3?+
There is no overall benchmark winner: The verified common benchmarks do not produce a majority winner.
Can GPT-5.4 or GLM-5.3 be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. GPT-5.4 is not marked open weight; GLM-5.3 is not marked open weight.
Can GPT-5.4 and GLM-5.3 understand images?+
GPT-5.4 is documented with image input; GLM-5.3 is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, GPT-5.4 or GLM-5.3?+
GLM-5.3 has the larger sourced maximum output: GPT-5.4 supports 128,000 and GLM-5.3 supports 131,072 output tokens.
Do GPT-5.4 and GLM-5.3 support reasoning and tool use?+
GPT-5.4: reasoning, tool calling, and image input. GLM-5.3: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, GPT-5.4 or GLM-5.3?+
GPT-5.4 has 2 sourced provider routes; GLM-5.3 has 4, so GLM-5.3 has broader tracked availability.
Which offers better value, GPT-5.4 or GLM-5.3?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.