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feat(catalog): add StepFun providers #357

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904887c
feat(catalog): add StepFun Step Plan (China) provider
jimpablo Jul 13, 2026
6c793e1
feat(catalog): add StepFun Step Plan (international) provider
jimpablo Jul 13, 2026
9328429
feat(catalog): add StepFun standard API provider
jimpablo Jul 13, 2026
469117c
feat(catalog): add StepFun standard API (China) provider
jimpablo Jul 13, 2026
404324e
chore(catalog): fill StepFun China provider pricing to match internat…
jimpablo Jul 13, 2026
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164 changes: 164 additions & 0 deletions src/tau_coding/data/catalog.toml
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Expand Up @@ -6170,3 +6170,167 @@ context_window = 1048576
max_tokens = 131072
compat = { requiresReasoningContentOnAssistantMessages = true, thinkingFormat = "deepseek" }
cost = { input = 1, output = 3, cacheRead = 0.2, cacheWrite = 0 }

[[providers]]
name = "stepfun"
display_name = "StepFun"
kind = "openai-compatible"
base_url = "https://api.stepfun.ai/v1"
api_key_env = "STEPFUN_API_KEY"
credential_name = "stepfun"
models = ["step-3.7-flash", "step-3.5-flash", "step-3.5-flash-2603"]
default_model = "step-3.7-flash"
docs_url = "https://platform.stepfun.ai/docs"
api = "openai-completions"
thinking_levels = ["low", "medium", "high"]
thinking_default = "medium"
thinking_parameter = "reasoning_effort"

[providers.context_windows]
"step-3.7-flash" = 262144
"step-3.5-flash" = 262144
"step-3.5-flash-2603" = 262144

[providers.model_metadata."step-3.7-flash"]
name = "Step 3.7 Flash"
reasoning = true
input = ["text", "image"]
context_window = 262144
cost = { input = 0.2, output = 1.15, cacheRead = 0.04, cacheWrite = 0 }

[providers.model_metadata."step-3.5-flash"]
name = "Step 3.5 Flash"
reasoning = true
input = ["text"]
context_window = 262144
cost = { input = 0.1, output = 0.3, cacheRead = 0.02, cacheWrite = 0 }

[providers.model_metadata."step-3.5-flash-2603"]
name = "Step 3.5 Flash (2603)"
reasoning = true
input = ["text"]
context_window = 262144
cost = { input = 0.1, output = 0.3, cacheRead = 0.02, cacheWrite = 0 }

[[providers]]
name = "stepfun-cn"
display_name = "StepFun (China)"
kind = "openai-compatible"
base_url = "https://api.stepfun.com/v1"
api_key_env = "STEPFUN_CN_API_KEY"
credential_name = "stepfun-cn"
models = ["step-3.7-flash", "step-3.5-flash", "step-3.5-flash-2603"]
default_model = "step-3.7-flash"
docs_url = "https://platform.stepfun.com/docs"
api = "openai-completions"
thinking_levels = ["low", "medium", "high"]
thinking_default = "medium"
thinking_parameter = "reasoning_effort"

[providers.context_windows]
"step-3.7-flash" = 262144
"step-3.5-flash" = 262144
"step-3.5-flash-2603" = 262144

[providers.model_metadata."step-3.7-flash"]
name = "Step 3.7 Flash"
reasoning = true
input = ["text", "image"]
context_window = 262144
cost = { input = 0.2, output = 1.15, cacheRead = 0.04, cacheWrite = 0 }

[providers.model_metadata."step-3.5-flash"]
name = "Step 3.5 Flash"
reasoning = true
input = ["text"]
context_window = 262144
cost = { input = 0.1, output = 0.3, cacheRead = 0.02, cacheWrite = 0 }

[providers.model_metadata."step-3.5-flash-2603"]
name = "Step 3.5 Flash (2603)"
reasoning = true
input = ["text"]
context_window = 262144
cost = { input = 0.1, output = 0.3, cacheRead = 0.02, cacheWrite = 0 }

[[providers]]
name = "stepfun-step-plan"
display_name = "StepFun Step Plan"
kind = "openai-compatible"
base_url = "https://api.stepfun.ai/step_plan/v1"
api_key_env = "STEPFUN_STEP_PLAN_API_KEY"
credential_name = "stepfun-step-plan"
models = ["step-3.7-flash", "step-3.5-flash", "step-3.5-flash-2603"]
default_model = "step-3.7-flash"
docs_url = "https://platform.stepfun.ai/docs/en/step-plan/overview"
api = "openai-completions"
thinking_levels = ["low", "medium", "high"]
thinking_default = "medium"
thinking_parameter = "reasoning_effort"

[providers.context_windows]
"step-3.7-flash" = 262144
"step-3.5-flash" = 262144
"step-3.5-flash-2603" = 262144

[providers.model_metadata."step-3.7-flash"]
name = "Step 3.7 Flash"
reasoning = true
input = ["text", "image"]
context_window = 262144
cost = { input = 0.2, output = 1.15, cacheRead = 0.04, cacheWrite = 0 }

[providers.model_metadata."step-3.5-flash"]
name = "Step 3.5 Flash"
reasoning = true
input = ["text"]
context_window = 262144
cost = { input = 0.1, output = 0.3, cacheRead = 0.02, cacheWrite = 0 }

[providers.model_metadata."step-3.5-flash-2603"]
name = "Step 3.5 Flash (2603)"
reasoning = true
input = ["text"]
context_window = 262144
cost = { input = 0.1, output = 0.3, cacheRead = 0.02, cacheWrite = 0 }

[[providers]]
name = "stepfun-step-plan-cn"
display_name = "StepFun Step Plan (China)"
kind = "openai-compatible"
base_url = "https://api.stepfun.com/step_plan/v1"
api_key_env = "STEPFUN_STEP_PLAN_CN_API_KEY"
credential_name = "stepfun-step-plan-cn"
models = ["step-3.7-flash", "step-3.5-flash", "step-3.5-flash-2603"]
default_model = "step-3.7-flash"
docs_url = "https://platform.stepfun.com/docs/zh/step-plan/overview"
api = "openai-completions"
thinking_levels = ["low", "medium", "high"]
thinking_default = "medium"
thinking_parameter = "reasoning_effort"

[providers.context_windows]
"step-3.7-flash" = 262144
"step-3.5-flash" = 262144
"step-3.5-flash-2603" = 262144

[providers.model_metadata."step-3.7-flash"]
name = "Step 3.7 Flash"
reasoning = true
input = ["text", "image"]
context_window = 262144
cost = { input = 0.2, output = 1.15, cacheRead = 0.04, cacheWrite = 0 }

[providers.model_metadata."step-3.5-flash"]
name = "Step 3.5 Flash"
reasoning = true
input = ["text"]
context_window = 262144
cost = { input = 0.1, output = 0.3, cacheRead = 0.02, cacheWrite = 0 }

[providers.model_metadata."step-3.5-flash-2603"]
name = "Step 3.5 Flash (2603)"
reasoning = true
input = ["text"]
context_window = 262144
cost = { input = 0.1, output = 0.3, cacheRead = 0.02, cacheWrite = 0 }
4 changes: 4 additions & 0 deletions tests/test_provider_catalog.py
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Expand Up @@ -72,6 +72,10 @@ def test_builtin_catalog_matches_expected_providers() -> None:
"xiaomi-token-plan-cn",
"xiaomi-token-plan-ams",
"xiaomi-token-plan-sgp",
"stepfun",
"stepfun-cn",
"stepfun-step-plan",
"stepfun-step-plan-cn",
]


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4 changes: 4 additions & 0 deletions tests/test_provider_config.py
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Expand Up @@ -58,6 +58,10 @@ def test_load_provider_settings_missing_file_uses_openai_default(tmp_path: Path)
"xiaomi-token-plan-cn",
"xiaomi-token-plan-ams",
"xiaomi-token-plan-sgp",
"stepfun",
"stepfun-cn",
"stepfun-step-plan",
"stepfun-step-plan-cn",
]
assert settings.providers[0].default_model == DEFAULT_MODEL
assert settings.get_provider("anthropic").api_key_env == "ANTHROPIC_API_KEY"
Expand Down