Muse Spark 1.3 Max vs Tencent Hy4 compared

Muse Spark 1.3 (Max) and Tencent Hy4 are close rivals from Meta and Tencent. Everything below is read from the benchmark, price and speed data in Franklin AI's catalogue; nothing here comes from a hands-on test. Tencent Hy4 starts answering far sooner, with a time to first token of 2.4 seconds compared with 36 seconds for Muse Spark 1.3 Max.

Muse Spark 1.3 Max is the faster writer

Muse Spark 1.3 Max generates about 140 tokens per second and Tencent Hy4 about 94 tokens per second. That makes Muse Spark 1.3 Max roughly 1.5 times as fast at writing. Time to first token is 36 seconds for Muse Spark 1.3 Max and 2.4 seconds for Tencent Hy4. Muse Spark 1.3 Max writes faster once it starts, but Tencent Hy4's head start is large enough that Tencent Hy4 still finishes first at any typical reply length; Muse Spark 1.3 Max only catches up beyond about 9,600 tokens. A first-token wait of that length suits background work better than live conversation.

For an 800-token response, first token plus generation comes to roughly 42 seconds on Muse Spark 1.3 Max and 11 seconds on Tencent Hy4.

Price per token

Muse Spark 1.3 Max lists $1.25 per million input tokens and $4.25 per million output tokens; Tencent Hy4 lists $0.834 and $2.501. That makes Tencent Hy4's output 41% cheaper.

For a sample workload of 1 million input tokens and 200,000 output tokens, Muse Spark 1.3 Max would cost $2.10 and Tencent Hy4 $1.33, a difference of $0.77. A bigger example, a support assistant answering 10,000 conversations of 2,000 input and 500 output tokens each, costs $46.25 on Muse Spark 1.3 Max and $29.18 on Tencent Hy4: a gap of $17.07.

The headline benchmark

On the intelligence index, Muse Spark 1.3 Max scores 36.6 against 34.6 for Tencent Hy4. That is a modest edge: real, but small enough that the right set of tasks could reverse it. Put another way, Tencent Hy4 would need 6% more on this index to draw level.

Among 109 active scored models, Muse Spark 1.3 Max sits 36th and Tencent Hy4 42nd.

There are no coding or math index scores for either model in the catalogue, which keeps this comparison at the aggregate level.

Score per dollar

Dividing the blended price by the intelligence index gives a rough cost per point: $0.055 for Muse Spark 1.3 Max and $0.036 for Tencent Hy4, per million tokens. Tencent Hy4 delivers each index point for 34% less; whether Muse Spark 1.3 Max's extra 2.0 points are worth the premium depends on how often your tasks need them.

Release timing

Muse Spark 1.3 Max came first, on September 2, 2026; Tencent Hy4 followed on November 3, 2026.