# Offline Reinforcement Learning on D4RL Gym-MuJoCo v2 (Medium, Medium-Replay, Medium-Expert)

Source: [Offline Reinforcement Learning on D4RL Gym-MuJoCo v2 (Medium, Medium-Replay, Medium-Expert)](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2026-05-12T07:20:16.140Z

Evaluation of Offline Reinforcement Learning performance on the D4RL Gym-MuJoCo v2 environments, specifically reporting scores for the Medium, Medium-Replay, and Medium-Expert dataset configurations.

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

| Scope | Recorded value |
| --- | --- |
| Task | Offline Reinforcement Learning |
| Dataset (including any stated split) | D4RL Gym-MuJoCo v2 |
| Metric | HalfCheetah-Medium Return |
| Unit | SCALAR |
| Direction | Higher is better |
| Results loaded | 13 of 13 |
| Coverage | All results currently returned for this benchmark |

Evaluation settings may differ between results. The original papers and recorded configurations are needed to establish comparability. A shared metric name alone does not establish an identical protocol.

## Metrics

- [HalfCheetah-Medium Return](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert.md?metric=HalfCheetah-Medium%20Return>): Higher is better; unit: SCALAR.

- [Hopper-Medium Return](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert.md?metric=Hopper-Medium%20Return>): Higher is better; unit: SCALAR.

- [Walker2d-Medium Return](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert.md?metric=Walker2d-Medium%20Return>): Higher is better; unit: SCALAR.

- [HalfCheetah-Medium-Replay Return](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert.md?metric=HalfCheetah-Medium-Replay%20Return>): Higher is better; unit: SCALAR.

- [Hopper-Medium-Replay Return](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert.md?metric=Hopper-Medium-Replay%20Return>): Higher is better; unit: SCALAR.

- [Walker2d-Medium-Replay Return](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert.md?metric=Walker2d-Medium-Replay%20Return>): Higher is better; unit: SCALAR.

- [HalfCheetah-Medium-Expert Return](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert.md?metric=HalfCheetah-Medium-Expert%20Return>): Higher is better; unit: SCALAR.

- [Hopper-Medium-Expert Return](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert.md?metric=Hopper-Medium-Expert%20Return>): Higher is better; unit: SCALAR.

- [Walker2d-Medium-Expert Return](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert.md?metric=Walker2d-Medium-Expert%20Return>): Higher is better; unit: SCALAR.

- [D4RL MuJoCo v2 Average Return](<https://www.sota2.com/research/sota/offline-reinforcement-learning-on-d4rl-gym-mujoco-v2-medium-medium-replay-medium-expert.md?metric=D4RL%20MuJoCo%20v2%20Average%20Return>): Higher is better; unit: SCALAR.

## Recorded results

| Method | HalfCheetah-Medium Return | Result date | Report paper |
| --- | --- | --- | --- |
| ACL-QL | 69.8 | Not recorded | 6a02b3ebdbc836b87d824520 |
| A2PR | 68.6 | Not recorded | 6a02b3ebdbc836b87d824520 |
| DOSER | 67.5 | Not recorded | 6a02b3ebdbc836b87d824520 |
| SVR | 60.5 | Not recorded | 6a02b3ebdbc836b87d824520 |
| SRPO | 60.4 | Not recorded | 6a02b3ebdbc836b87d824520 |
| DTQL | 57.9 | Not recorded | 6a02b3ebdbc836b87d824520 |
| QGPO | 54.1 | Not recorded | 6a02b3ebdbc836b87d824520 |
| DQL | 51.5 | Not recorded | 6a02b3ebdbc836b87d824520 |
| IDQL | 51 | Not recorded | 6a02b3ebdbc836b87d824520 |
| TD3+BC | 48.3 | Not recorded | 6a02b3ebdbc836b87d824520 |
| IQL | 47.4 | Not recorded | 6a02b3ebdbc836b87d824520 |
| SfBC | 45.9 | Not recorded | 6a02b3ebdbc836b87d824520 |
| CQL | 44 | Not recorded | 6a02b3ebdbc836b87d824520 |

### ACL-QL

HalfCheetah-Medium Return: 69.8. Result ID: 6a02d46147f34ce924e53114.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa777c1e209131cea7383d.md>)

Recorded evaluation configuration: {"Method category":"Conventional methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### A2PR

HalfCheetah-Medium Return: 68.6. Result ID: 6a02d46147f34ce924e53111.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa74261e209131cea5fffd.md>)

Recorded evaluation configuration: {"Method category":"Conventional methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### DOSER

HalfCheetah-Medium Return: 67.5. Result ID: 6a02d46147f34ce924e5311b.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

Recorded evaluation configuration: {"Method category":"Diffusion-based methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### SVR

HalfCheetah-Medium Return: 60.5. Result ID: 6a02d46147f34ce924e53113.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

Recorded evaluation configuration: {"Method category":"Conventional methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### SRPO

HalfCheetah-Medium Return: 60.4. Result ID: 6a02d46147f34ce924e53119.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa727f1e209131cea56c1d.md>)

Recorded evaluation configuration: {"Method category":"Diffusion-based methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### DTQL

HalfCheetah-Medium Return: 57.9. Result ID: 6a02d46147f34ce924e5311a.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa75751e209131cea680ec.md>)

Recorded evaluation configuration: {"Method category":"Diffusion-based methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### QGPO

HalfCheetah-Medium Return: 54.1. Result ID: 6a02d46147f34ce924e53118.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6f931e209131cea465bc.md>)

Recorded evaluation configuration: {"Method category":"Diffusion-based methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### DQL

HalfCheetah-Medium Return: 51.5. Result ID: 6a02d46147f34ce924e53115.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70791e209131cea4b56e.md>)

Recorded evaluation configuration: {"Method category":"Diffusion-based methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### IDQL

HalfCheetah-Medium Return: 51. Result ID: 6a02d46147f34ce924e53117.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6f731e209131cea45a93.md>)

Recorded evaluation configuration: {"Method category":"Diffusion-based methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### TD3+BC

HalfCheetah-Medium Return: 48.3. Result ID: 6a02d46147f34ce924e5310f.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6b631e209131cea2df4f.md>)

[Implementation](<https://github.com/sfujim/TD3_BC>)

Recorded evaluation configuration: {"Method category":"Conventional methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### IQL

HalfCheetah-Medium Return: 47.4. Result ID: 6a02d46147f34ce924e53110.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6af71e209131cea2b67f.md>)

Recorded evaluation configuration: {"Method category":"Conventional methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### SfBC

HalfCheetah-Medium Return: 45.9. Result ID: 6a02d46147f34ce924e53116.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6eaf1e209131cea416dc.md>)

Recorded evaluation configuration: {"Method category":"Diffusion-based methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

### CQL

HalfCheetah-Medium Return: 44. Result ID: 6a02d46147f34ce924e53112.

[Reporting paper](<https://www.sota2.com/research/paper/6a02b3ebdbc836b87d824520.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa682a1e209131cea1a6c2.md>)

Recorded evaluation configuration: {"Method category":"Conventional methods","Evaluation protocol":"Average normalized scores at the last training iteration over 4 random seeds"}. This record does not assert independent reproduction.

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