Muse Spark 1.1 vs GPT-4o
At a Glance
| Compare | Muse Spark 1.1Meta | GPT-4oOpenAI |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $1.25Openrouter ↗ · Sep 22, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $5.00Openrouter ↗ · Sep 22, 2026 |
| Context windowMaximum documented tokens | 1,000K | 128K |
| Model facts checked | Sep 3, 2026View model evidence → | Aug 29, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
| Benchmark | Muse Spark 1.1 | GPT-4o |
|---|---|---|
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader | 1,480.17100% of row best · rating · muse-spark-1.1; 95% CI [1475.34892554, 1484.99642998]; votes 27615; rank 15 | 1,282.4587% of row best · rating · gpt-4o-2024-08-06; 95% CI [1278.25455133, 1286.63762056]; votes 45499; rank 254 |
| LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader | 1,294.16100% of row best · rating · muse-spark-1.1; 95% CI [1286.17018729, 1302.15601223]; votes 8447; rank 21 | 1,064.5682% of row best · rating · gpt-4o-2024-08-06; 95% CI [1052.10383916, 1077.00692124]; votes 3376; rank 123 |
| ToneBench2026-09-11-10-task-4ef099199c9c · overall_score · unverified | 80.76100% of row best · points · Muse Spark 1.1 (thinking) · 6,037 output tokens / case | 58.6673% of row best · points · GPT-4o · 1,174 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 2 benchmark winsNo overall winner | 0 benchmark winsNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Muse Spark 1.1 | GPT-4o |
|---|---|---|
| Developer | Meta | OpenAI |
| Family | Muse Spark | Gpt 4o |
| Model | Muse Spark 1.1 | GPT-4o |
| Version | Muse Spark 1.1 | GPT-4o |
| Lifecycle | preview | active |
| Released | 2026-07-09 | Unknown |
| Knowledge cutoff | Unknown | 2023-10-01 |
| Input modalities | Text, Image, Video, Audio | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,000K | 128K |
| 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 | Unknown | Openai (Standard), Openrouter (Standard) |
| Capabilities | chat, computer-use, generation, reasoning, research, structured_outputs, tools | chat, generation, tools |
Muse Spark 1.1 Capabilities
GPT-4o Capabilities
Primary Evidence
Sources and Freshness
Questions
Muse Spark 1.1 vs GPT-4o FAQs
Is Muse Spark 1.1 or GPT-4o better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Muse Spark 1.1 and GPT-4o, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Muse Spark 1.1 or GPT-4o?+
Only GPT-4o has a directly sourced input price: $1.25 per million tokens. Only GPT-4o has a directly sourced output price: $5.00 per million tokens.
Which has a larger context window, Muse Spark 1.1 or GPT-4o?+
Muse Spark 1.1 has the larger sourced context window. Muse Spark 1.1 supports 1,000K and GPT-4o supports 128K.
Which performs better in benchmarks, Muse Spark 1.1 or GPT-4o?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Muse Spark 1.1 or GPT-4o be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Muse Spark 1.1 is not marked open weight; GPT-4o is not marked open weight.
Can Muse Spark 1.1 and GPT-4o understand images?+
Muse Spark 1.1 is documented with image input; GPT-4o is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Muse Spark 1.1 or GPT-4o?+
Neither has a larger sourced maximum output. Muse Spark 1.1 is — and GPT-4o is 16K.
Do Muse Spark 1.1 and GPT-4o support reasoning and tool use?+
Muse Spark 1.1: reasoning, tool calling, and image input. GPT-4o: tool calling and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Muse Spark 1.1 or GPT-4o?+
Muse Spark 1.1 has 0 sourced provider routes; GPT-4o has 2, so GPT-4o has broader tracked availability.
Which offers better value, Muse Spark 1.1 or GPT-4o?+
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.